Potassium ion spectrophotometry

Potassium ion spectrophotometry, Total:196 items.

The international standard classification for "Potassium ion spectrophotometry" includes: Other non-ferrous metals and their alloys , Coals , Textiles in general , Lead, zinc, tin and their alloys , Water quality , Inorganic chemicals , Iron ores , Refractories , Oxides , Ferroalloys , Metalliferous minerals , Analytical chemistry in general , Ferrous metals , Cadmium, cobalt and their alloys , Soil quality. Pedology , Organic chemicals , Boilers and heat exchangers , Chemical analysis , Examination of water for chemical substances , Aluminium and aluminium alloys , Ferrous metals in general , Animal feeding stuffs , Water of natural resources , Chemical analysis of metals , Non-metalliferous minerals .

The Chinese standard classification for "Potassium ion spectrophotometry" includes: Inorganic chemicals in general , Rare metals and their alloys analysis method , Coal analysis methods , Basic standards and general methods , Heavy metals and their alloys analysis method , Analysis methods for toxic substances in water , Salt production in general , Iron ore , Fireproof material in general , Steel and iron alloy analysis method , Electrochemical, thermochemistry and optical profile type analyzer , Light metals and their alloys analysis method , Rare refractory metals and their compounds , Analysis methods for environmental quality of soils , General organic chemicals , Boiler and its auxiliary equipment , Basic standards and general methods for water treatment agent , Heavy metals and their alloys , Livestock and poultry feed and additive , Chemical raw material ore , Environmental pollutant monitoring methods , Semimetal and semiconductor material analysis method , Technical Management , Electron optics and other physical optics instrument , Analysis methods for substances in ocean , Petroleum products in general .

Liaoning Provincial Standard of the People's Republic of China

DB21/T 612-1991 Determination of potassium and sodium ions in soil soluble salts - flame photometry
DB21/T 618-1991 Determination of total plant potassium - flame photometry
DB21/T 611-1991 Determination of calcium and magnesium ions in soil soluble salts - Atomic absorption spectrophotometry

Professional Standard - Commodity Inspection

SN/T 0837.4-2006 Determination of the amount of chlorine content in arsenic trioxide - Photometric method of distillation-mercuric thiocyanate
SN/T 3809-2014 Determination of potassium content in potassium chloride and potassium sulphate - Atomic fluorescence spectrometry for X-ray
SN/T 3799-2014 Determination of potassium and sodium in coke ash - Atomic absorption spectrometry

General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China

GB 10656-1989 Analytical methods for boiler water and cooling water-Determination of zinc ion-Zincon spectrophotometry
GB/T 20931.9-2007 Methods for chemical analysis of lithium—Determination of nitrogen content—Mercuric potassium iodide spectrophotometric method
GB/T 10656-1989 Analytical methods for boiler water and cooling water--Determination of zinc ion--Zincon spectrophotometry
GB/T 4325.2-1984 Methods for chemical analysis of molybdenum;The potassium iodide-brucine photometric method for the determination of bismuth content
GB/T 13255.3-1991 Caprolactam for industrial use-Determination of permanganate absorbance-Spectrometric method
GB/T 10539-1989 Analytical methods of boiler water and cooling water--Determination of potassium--Flame photometry
GB/T 6730.21-2016 Iron ores―Determination of manganse content―Potassium periodate spectrophotometric method
GB/T 4324.18-1984 Methods for chemical analysis of tungsten - The atomic absorption spectrophotometric method for the determination of potassium content
GB 6900.9-1986 Clay, high alumina refractories chemical analysis methods atomic absorption spectrophotometry determination of potassium oxide, sodium oxide content
GB/T 10267.6-1988 Method for analysis of calcium metal--The determination of iron, nickel, copper and manganese in calcium metal by atomic absorption spectrophotometry after extractive separation
GB/T 17135-1997 Soil quality - Determination of total arsenic - Spectrophotometric method with potassium borohyride and silver nitrate
GB/T 13747.7-2019 Methods for chemical analysis of zirconium and zirconium alloys—Part 7：Determination of manganese content—Patassium periodate spectrometry and inductively coupled plasma atomic emission spectrometry
GB/T 13370-1992 Determination of lithium,sodium,potassium and cesium in uranium dioxide dioxide powders and pellets by atomic absorption spectrophotometry/flame emission spectrophotometry
GB/T 7731.7-2008 Ferrotungsten - Determination of tin content - Phenylfluorone photometric method and inductively coupled plasma-atomic emission spectrometry
GB/T 4634-1996 Determination of potassium,sodium,iron,calcium,magnesium and manganese in coal ash by atomic absorption spectrometric method
GB/T 4325.18-1984 Methods for chemical analysis of molybdenum;The atomic absorption spectrophotometric method for the determination of potassium content
GB/T 4324.2-1984 Methods for chemical analysis of tungsten - The potassium iodide-brucine photometric method for the determination of bismuth content
GB/T 6150.7-2008 Methods for chemical analysis of tungsten concentrates - Determination of tantalum content and niobium content - Inductively coupled plasma emission spectrometry and spectrophotometry
GB/T 11900-1989 Water quality--Determination of trace amounts of arsenic--Spectrophotometric method with silver salt
GB/T 10656-2008 Analysis of water used in boiler and cooling system - Determination of zinc - Zincon spectrophotometry
GB/T 6900.9-1986 Fireclay and high-alumina refractories; Determination of potassium oxide and sodium oxide content; Atomic absorption spectrophotometric method
GB/T 21187-2007 Atomic absorption spectrophotometer
GB/T 4698.23-2017 Methods for chemical analysis of titanium sponge，titanium and titanium alloys - Part 23: Determination of palladium content - Stannous choride-potassium iodide spectrophotometry and inductively coupled plasma atomic emission spectrometry
GB/T 17593-1998 Textiles--Test method of heavy metal ions--Atomic absorption spectrophotometry
GB/T 6730.49-1986 Methods for chemical analysis of iron ores--The flame atomic absorption spectrophotometric method for the determination of sodium and potassium content
GB/T 18633-2002 Determination of potassium in feed--Flame photometric method
GB/T 6901.9-1986 Silica refractories--Determination of potassium oxide and sodium oxide content--Atomic absorption spectrophotometric method
GB/T 39302-2020 Reclaimed water quality—Determination of anionic surfactants—Methylene blue spectrophotometric method
GB/T 11906-1989 Water quality--Determination of manganese--Potassium periodate spectrophotometric method
GB/T 3260.3-2013 Methods for Chemical Analysis of Tin - Part 3: Determination of Bismuth Content KI Photometric Method and Flame Atomic Absorption Spectrometric Method
GB 6730.49-1986 Methods for chemical analysis of iron ores - The flame atomic absorption spectrophotometric method for the determination of sodium and potassium content
GB 4581.7-1984 Alunite ores--Determination of potassium and sodium contents--Potassium tetraphenylborate gravimetric method and flame emission spectrophotometric methods
GB/T 7315.8-1987 Methods for chemical analysis of vanadium pentoxide--The atomic absorption spectrophotometric method for the determination of sodium oxide and potassium oxide contents
GB/T 18962-2003 General test method in salt industry - Determination of lead lon(AAS)
GB/T 7469-1987 Water quality--Determination of total mercury--Potassium permanganate-potassium persulfate decomposed method--Dithizone spectrophotometric method
GB/T 6987.23-2001 Aluminium and aluminium alloys-Determination of copper content-Potassium iodide spectrphotometric method
GB/T 13580.12-1992 Determination of sodium and potassium in the wet precipitation.Atomic absorption spectrophotometry
GB/T 7494-1987 quality - Determination of anionic surfactants - Methylene blue spectrophotometric method
GB/T 2590.10-1981 Hafnium oxides;Determination of manganese oxide content;Potassium periodate photometric method
GB/T 8704.9-2009 Ferrovanadium—Determination of manganese content—The potassium periodate oxidation photometric method and flame atomic absorption spectrometric method
GB/T 11904-1989 Water quality--Determinatoin of potassium and sodium--Flame atomic absorption spectrophotometry
GB/T 223.63-2022 Iron, steel and alloy—Determination of manganese content—Sodium (potassium) periodate spectrophotometric method
GB/T 8704.9-1994 Methods for chemical analysis of ferrovanadium. The potassium periodate oxidation photometric method and flame atomic absorption spectrometric method for determination of manganese content
GB/T 20675-2006 General test method in salt industry - Determination of copper ion(AAS)

Ministry of Ecology and Environment of the People's Replublic of China

GB 13580.12-1992 Determination of sodium and potassium in the wet precipitation - Atomic absorption spectrophotometry
GB 7469-1987 Water quality-Determination of total mercury-potassium permanganats-potassium persalfate decomposed method-Dithizonc spectrophotometric method
GB 11904-1989 Water quality-Determinatoin of potassium and sodium-Flame atomic absorption spectrophotometry
GB 11900-1989 Water quality-Determination of trace amounts of arsenic-Borohydride potassium-nitrale silver spectrophotometric method
GB 11906-1989 Water quality-Determination of manganese-Potassium periodate spectrophotometric method
GB 7494-1987 Water quality-Determination of anionic surfactants-Methylene blue spectrophotometric method

Professional Standard - Water Conservancy

SL/T 271-2001 Water quality - Determination of total mercury - potassium borohydride reduction - cold atomic absorption spectrophotometer

Professional Standard - Non-ferrous Metal

YS/T 568.10-2006 Hafnium oxides--Determination of manganese oxide content--Potassium periodate photometric method
YS/T 1259-2018 Determination of fluorine content on the surface of zirconium alloy tube-Spectrophotometry
YS/T 227.1-1994 Determination of bismuth content in tellurium--Potassium iodide brucine photometric method
YS/T 226.1-1994 Determination of bismuth content in selenium (potassium iodide, thiourea, strychnine absorptiometry)

Qinghai Provincial Standard of the People's Republic of China

DB63/T 1421-2015 Determination of Potassium, Sodium, Calcium, Magnesium and Sulfur in Carnallite by Inductively Coupled Plasma Emission Spectrometry
DB63/T 1820-2020 Determination of available potassium and slow-acting potassium in soil by inductively coupled plasma emission spectrometry
DB63/T 1317-2014 Determination of Na, Ca and Mg Contents in Potassium Chloride by Inductively Coupled Plasma Emission Spectrometry
DB63/T 1848-2020 Determination of potassium, sodium, calcium and magnesium in brine by inductively coupled plasma emission spectrometry

Professional Standard - Electron

SJ/T 11016-1996 Methods of analysis for pure silver brazing for electronic devices - Determination of bismuth (spectrophotometric strychnine-potasssium iodide method)

Professional Standard - Nuclear Industry

EJ/T 1000-1996 Determination of Molybdenum in Uranium Ore Potassium Thiocyanate Spectrophotometric Method

Professional Standard - Agriculture

50药典四部-2020 0406 Atomic absorption spectrophotometry
154药典三部-2010 Appendix II Spectrophotometry IIB Atomic Absorption Spectrophotometry
70药典四部-2015 0406 Atomic absorption spectrophotometry
199药典三部-2020 Spectrophotometry 0406 Atomic Absorption Spectrophotometry
180药典三部-2015 Spectrophotometry 0406 General Principles of Atomic Absorption Spectrophotometry 21

Taiwan Provincial Standard of the People's Republic of China

CNS 8044-1981 Method for Determination of Copper in Ores (Cupric Ammonia Absorptiometric Method)
CNS 8601-1982 Method of Test for Sulfate Ion in Industrial Waste Water - Spectrophotometric Method

Group Standards of the People's Republic of China

T/TAIA 001-2024 Sodium-potassium silicate for industrial use—Determination of potassium oxide and sodium oxide—Inductively coupled plasma optical emission spectrometry
T/QAS 016-2020 Determination of Na, Ca and Mg Contents in Potassium Chloride by Inductively Coupled Plasma Emission Spectrometry
T/QAS 006-2019 Determination of Potassium, Sodium, Calcium and Magnesium in Brine - Inductively Coupled Plasma Emission Spectrometry

Hebei Provincial Standard of the People's Republic of China

DB13/T 2856-2018 Determination of iron ore potassium and sodium content by inductively coupled plasma atomic emission spectrometry

Professional Standard - Environmental Protection

HJ 615-2011 Soil–Determination of Organic Carbon–Potassium Dichromate Oxidation
HJ 889-2017 Soil quality - Determination of cation exchange capacity（CEC） - Hexamminecobalt trichloride solution-Spectrophotometric method

Professional Standard - Ferrous Metallurgy

YB/T 4726.12-2021 Ferric-containing dust and sludge-Determination of manganese oxide content-The potassium periodate (sodium) spectrophotometric method
YB/T 4709-2018 Steel slag. The determination of manganese oxide content. The potassium periodate(sodium) spectrophotometric method
YB/T 5176-2016 Feedstock oil for carbon black-coal tar origin
YB/T 190.11-2014 Continuous casting powder-The determination of manganese oxide content-The sodium(potassium)periodate spectrophotometric method and the flame atomic absorption method
YB/T 5335-2006 Methods for chemical analysis of vanadium pentoxide The atomic absorption spectrophotometric method for the determination of sodium oxide and potassium oxide contents

Xinjiang Provincial Standard of the People's Republic of China

DB65/T 3950-2016 Water quality-Determination of anionic surfactants in water-Flow Injection-Spectrophotometric method

National Metrological Verification Regulations of the People's Republic of China

JJG 694-1990 Atomic Absorption Spectrophotometer

Professional Standard - Machinery

JB/T 6780-1993 Atomic Absorption Spectrophotometer

Professional Standard - Ocean

HY/T 206-2016 Determination of iron, manganese,nickel,potassium,sodium,calcium and magnesium in the marine sediments and organisms—Atomic absorption spectrophotometry

Guangxi Provincial Standard of the People's Republic of China

DB45/T 1543-2017 Determination of Potassium Content in Compound Fertilizers by Inductively Coupled Plasma Emission Spectrometry

Professional Standard - Chemical Industry

HG/T 2957.7-2004 Alunite ores potassium and sodium content. The Potassium Tetraphenylborate gravimetric and flame emission spectrophotometry
HG/T 2957.7-1984(1997) Alunite ores-Determination of potassium and sodium contents-Potassium tetraphenylborate gravimetric method and flame emission spectrophotometric methods
HG 2080-1991 Cationic fluorescent yellow 4GL
HG/T 3525-2003 Industrial circulating cooling water-Determination of aluminium-Spectrometric method using pyrocat

Professional Standard - Petrochemical Industry

SH/T 0629-1996 Determination method for arsenic content in naphtha (potassium borohydride-silver nitrate spectrophotometric method)

未注明发布机构

DVS 0919:1995-02 Tungsten Plasma Arc Welding (PAW)

Professional Standard - Aviation

HB 5297.13-2001 Methods for Chemical Analysis of Titanium Alloys - Determination of Manganese Content by Potassium periodate Spectrophtometric Method

American Society for Testing and Materials (ASTM)

ASTM D3561-16 Standard Test Method for Lithium, Potassium, and Sodium Ions in Brackish Water, Seawater, and Brines by Atomic Absorption Spectrophotometry
ASTM D3561-11 Standard Test Method for Lithium, Potassium, and Sodium Ions in Brackish Water, Seawater, and Brines by Atomic Absorption Spectrophotometry
ASTM D3561-16(2021)e1 Standard Test Method for Lithium, Potassium, and Sodium Ions in Brackish Water, Seawater, and Brines by Atomic Absorption Spectrophotometry
ASTM D4192-97 Standard Test Method for Potassium in Water by Atomic Absorption Spectrophotometry
ASTM D3561-96 Standard Test Method for Lithium, Potassium, and Sodium Ions in Brackish Water, Seawater, and Brines by Atomic Absorption Spectrophotometry
ASTM D3561-02 Standard Test Method for Lithium, Potassium, and Sodium Ions in Brackish Water, Seawater, and Brines by Atomic Absorption Spectrophotometry
ASTM D3561-02(2007)e1 Standard Test Method for Lithium, Potassium, and Sodium Ions in Brackish Water, Seawater, and Brines by Atomic Absorption Spectrophotometry
ASTM D4192-08 Standard Test Method for Potassium in Water by Atomic Absorption Spectrophotometry
ASTM D4192-03 Standard Test Method for Potassium in Water by Atomic Absorption Spectrophotometry
ASTM D5086-20 Standard Test Method for Determination of Calcium, Magnesium, Potassium, and Sodium in Atmospheric Wet Deposition by Flame Atomic Absorption Spectrophotometry
ASTM E10-08 Standard Test Method for Brinell Hardness of Metallic Materials
ASTM E10-15 Standard Test Method for Brinell Hardness of Metallic Materials

Ente Nazionale Italiano di Unificazione

UNI 10511-2:1996 Water quality. Determination of non ionic surfactans. Potassium Picrate Spectometric method (PPAS)
UNI EN 16318:2016 Fertilizers and liming materials - Determination of chromium(VI) by photometry (method A) and by ion chromatography with spectrophotometric detection (method B)
UNI EN ISO 6869:2001 Animal feeding stuffs - Determination of the contents of calcium, copper, iron, magnesium, manganese, potassium, sodium and zinc - Method using atomic absorption spectrometry.

IN-BIS

IS 10614-1983 Method for determination of sodium and potassium by atomic absorption spectrophotometry

Spanish Association for Standardization (UNE)

UNE 35054-1:1985 FERRONIOBIUM. SPECTROPHOTOMETRIC DETERMINATION OF NIOBIUM AFTER SEPARATION ON ION EXCHANGE RESIUS
UNE 35-054 Pt.1-1985 Iron niobium. Determination of niobium content. Spectrophotometry after Ion Calling Resin Separation
UNE-EN 16318:2015+A1:2016 Fertilizers and liming materials - Determination of chromium (VI) by photometry (method A) and by ion chromatography with spectrophotometric detection (method B)

Gosstandart of Russia

GOST R 54730-2011 Food common salt. Measurement (determination) of potassium-ion mass fraction by flame-photometric method

Korean Agency for Technology and Standards (KATS)

KS E ISO 13312:2007 Iron ores－Determination of potassium content－Flame atomic absorption spectrometric method
KS I ISO 9964-2-2023 Water quality — Determination of sodium and potassium — Part 2: Determination of potassium by atomic absorption spectrometry
KS I ISO 9964-2:2018 Water quality — Determination of sodium and potassium — Part 2: Determination of potassium by atomic absorption spectrometry
KS I ISO 9964-2-2018 Water quality — Determination of sodium and potassium — Part 2: Determination of potassium by atomic absorption spectrometry

CZ-CSN

CSN 70 0641 Cast.2-1976 Chemical analysis of glass. Determinat- ion of sodium and potassium oxides. Fláme photometric method (after se- paration with ion exehangers)
CSN ISO 6831:1993 Iron ores. Determination of sodium and/or potassium contents. Flame atomic absorption spectrometric method
CSN ISO 7969:1993 Manganese ores and concentrates. Determination of sodium and potassium contents. Flame atomic absorption spectrometric method
CSN 64 0239-1954 Determination of ion sodium, potassium, d, S04

BE-NBN

NBN T 03-206-1980 Potassium sulphate for industrial use - Determination of potassium content - Flame emission spectrophotometric method
NBN T 03-221-1980 Potassium chloride for industrial use - Determination of potassium content - Flame emission spectrophotometric method
NBN EN 1134-1995 Fruit and vegetable juices - Determination of sodium, potassium, calcium and magnesium content by atomic absorption spectrometry (AAS)
NBN T 03-194-1980 Potassium hydroxide for industrial use - Determination of sodium con-tent - Flame emission spectrophotometric method

International Organization for Standardization (ISO)

ISO 2050:1976 Potassium chloride for industrial use; Determination of potassium content; Flame emission spectrophotometric method
ISO 2484:1973 Potassium sulphate for industrial use; Determination of potassium content; Flame emission spectrophotometric method
ISO 9964-2:1993 Water quality; determination of sodium and potassium; part 2: determination of potassium by atomic absorption spectrometry
ISO 7485:2000 Animal feeding stuffs - Determination of potassium and sodium contents - Methods using flame-emission spectrometry
ISO 13321:1996 Particle size analysis - Photon correlation spectroscopy

Association Francaise de Normalisation

NF A11-102:1977 Chemical analysis of ferroniobium.Spectrophotometric determination of niobium after separation on ion exchange resins.
NF T20-352:1978 Potassium chloride for industrial or agricultural use. Determination of potassium content.flame emission spectrophotometric method.
NF T20-362:1978 Potassium sulphate for industrial or agricultural use. Determination of potassium content.flame emission spectrophotometric method.
NF T20-386:1977 Potassium hydroxide for industrial use. Determination of calcium and magnesium contents. Flame atomic absorption method.
NF U42-111:1960 Potash fertilizers. Determination of potassium content by flame photometry.
NF U42-111:2013 Potash fertilizers - Determination of potassium content - Flame photometric method
NF T01-032:1976 Molecular absorption spectrophotometry. Optical cells.
NF T20-575:1966 Chemical analysis of ammonium sulphate for technical use. Spectrophotometric determination of chloride ions.
NF T01-035:1979 Molecular absorption spectrophotometry. Spectrophotometers and photometers. Record card. Standard layout.
NF A06-371:1984 Chemical analysis of steel. Molecular absorption spectrophotometric determination of zirconium (after separation by extraction).
NF T20-375:1977 Potassium hydroxide for industrial use. Determination of chlorides content. Photometric method.
NF T20-372:1969 Chemical analysis of potassium hydroxide. Determination of potassium (flame photometry method).
NF V76-112:1980 Fruit and vegetable juices. Determination of the sodius and potassium contents (flame spectrophotometry method).
NF T20-355:1978 Potassium chloride for industrial use. Determination of sodium content.flame emission spectrophotometric method).
NF EN 16318/IN1:2016 Engrais - Dosage des éléments trace - Dosage du chrome (VI) par spectrophotométrie (méthode A) et chromatographie ionique avec détection spectrophotométrique (méthode B)
NF EN 16318+A1:2016 Engrais - Dosage des éléments trace - Dosage du chrome (VI) par spectrophotométrie (méthode A) et chromatographie ionique avec détection spectrophotométrique (méthode B)
NF T20-373:1977 Potassium hydroxide for industrial use. Determination of iron content. 1,10-phenanthroline photometric method.

European Committee for Standardization (CEN)

EN 16318:2013+A1:2016 Fertilizers and liming materials - Determination of chromium(VI) by photometry (method A) and by ion chromatography with spectrophotometric detection (method B)

German Institute for Standardization

DIN EN 1134:1994-12 Fruit and vegetable juices - Determination of sodium, potassium, calcium and magnesium content by atomic absorption spectrophotometry (AAS); German version EN 1134:1994
DIN 38406-13:1992 German standard methods for the examination of water, waste water and sludge; cations (group E); determination of potassium by atomic absorption spectrometry (AAS) using an air-acetylene flame (E 13)
DIN EN 16318:2016-07 Fertilizers and liming materials - Determination of chromium(VI) by photometry (method A) and by ion chromatography with spectrophotometric detection (method B); German version EN 16318:2013+A1:2016

Indonesia Standards

SNI 6989.69-2009 Water and wastewater. Part 69: Determination of potassium content by flame atomic absorption spectrophotometry (AAS)

UY-UNIT

UNIT 374-1974 Measurement of potassium by spectrophotometry

British Standards Institution (BSI)

BS ISO 9682-2:2007 Iron ores - Determination of manganese content - Periodate spectrophotometric method
PD CEN/TS 16318:2012 Fertilizers - Determination of trace elements - Determination of chromium(VI) by photometry (method A) and by ion chromatography with spectrophotometric detection (method B)
BS EN 16318:2013+A1:2016 Fertilizers and liming materials. Determination of chromium(VI) by photometry (method A) and by ion chromatography with spectrophotometric detection (method B)

YU-JUS

JUS H.G8.103-1984 Reagents. Potassium chloride. Determination of phosphate content. Spectrophotometric method
JUS H.P8.035-1994 Potassium metabisulphite,as pesticide - Determination of Fe and Pb content - Atomic absorption spectrophotometry
JUS H.G8.110-1984 Reagents. Potassium chloride. Determination of sodium content. Flame emission spectrophotometric method
JUS H.G8.434-1990 Reaqents. Potassiuia iodide. Detenaination of phospha.te content. Spectrophotometric method
JUS H.G8.088-1983 Reagents.Sodium chloride.Determination of potassium content.Flame emission spectrophotometric method
JUS H.G8.456-1991 Reageats. Potassium sulphats. Determination of pbospbate fc.d?ieot. Spectrophotometric metho?
JUS H.G8.461-1991 Reagents. Potassium sulpbate. Determinatlon of sodium conteat. Fleaae emlssiem spectrophotometric metbod
JUS H.Z1.149-1987 Testing of industrial vvaters. Determination of anionic surfactants. Spectrophotometric method
JUS H.G8.518-1991 Reagents. Potassium hydroxide. Determination of sodium content. Flame emission spectrophotometric method
JUS H.Z1.171-1983 Testing of industrial vvaters. Determination of iron content. Spectrophotometric method with potassium rodanide
JUS H.P8.035-1984 Tpstmg of pesticides. Potassium metabisulphite, technical. Determination of Fe and Pb content. Atomic absorption spectrophotometry.
JUS H.G8.478-1991 Reagents.Orthophosphoric acid.Determination of sodium and potassum contents.Flame emission spectrophotometric method
JUS H.G8.346-1988 Reagents Zinec chloride. Determination of sodium and potassium contents.Flane emission speetrophotometric nethod
JUS H.G8.134-1984 Reagents. Ammoniasolution. Determination ofsodium andpotassium contents. Flame emission spectro- hotometric method
JUS H.Z1.173-1985 Testing of industrial vvaters. Determination of molybdonum content. Spectrophotometric method with potassium thiocyanate
JUS H.P8.036-1992 Potassium metabisulphite, as pesticide. Determination of arsen content. Spectrophotometric method

American Water Works Association (AWWA)

AWWA JAW60489 Journal AWWA — Chlorite Ion Interference in the Spectrophotometric Measurement of Chlorine Dioxide

GCC Standardization Organization

GSO ISO 2272:2015 Surface active agents -- Soaps -- Determination of low contents of free glycerol by molecular absorption spectrometry
GSO ISO 13321:2013 Particle size analysis -- Photon correlation spectroscopy
GSO ISO 9964-2:2013 Water quality -- Determination of sodium and potassium -- Part 2: Determination of potassium by atomic absorption spectrometry

AT-ON

ONORM M 6603-1-1997 Water analysis - Determination of potassium and sodium by atomic absorption spectrometry

Lithuanian Standards Office

LST ISO 9964-2:1998 Water quality. Determination of sodium and potassium. Part 2: Determination of potassium by atomic absorption spectrometry

VN-TCVN

TCVN 6196-2-1996 Water quality.Determination of sodium and potassium.Part 2: Determination of potassium by atomic absorption spectrometry

Kingdom of Bahrain Testing and Metrology Directorate

BH GSO ISO 13321:2016 Particle size analysis -- Photon correlation spectroscopy

Japanese Industrial Standards Committee (JISC)

JIS G 1258:1989 Methods for inductively coupled plasma emission spectrochemical analysis of steel
JIS K 0116:1995 General rules for atomic emission spectrometry

TR-TSE

TS 3654-1981 METHODS FOR THE ANALYSIS OF WATER DETERMINATION OF CHROMIUM CONTENT — Permanganate Oxidation Spectrofotometric Method

Association of German Mechanical Engineers

VDI 3869 Blatt 3-2008 Measurement of ammonia in ambient air - Sampling with diffusion separators (denuders) - Photometric or ion chromatographic analysis
VDI 3869 BLATT 3-2010 Measuring ammonia in the ambient air — Sampling with coated diffusion separators (denuders) — Photometric or ion chromatographic analysis

Standards Norway

SN-CEN/TS 16318:2012 Fertilizers — Determination of trace elements — Determination of chromium(VI) by photometry (method A) and by ion chromatography with spectrophotometric detection (method B)
NS-EN 16318:2013 Fertilizers — Determination of trace elements — Determination of chromium(VI) by photometry (method A) and by ion chromatography with spectrophotometric detection (method B)
NS-EN 16318:2013+A1:2016 Fertilizers and liming materials — Determination of chromium(VI) by photometry (method A) and by ion chromatography with spectrophotometric detection (method B)

Swedish Institute for Standards

SS-EN 1377:1996 Foodstuff - Determination acesulfame K in table top sweetner preparations - Spectrofotometric method

Danish Standards Foundation

DANSK DS/EN 16318+A1:2016 Fertilizers and liming materials - Determination of chromium(VI) by photometry (method A) and by ion chromatography with spectrophotometric detection (method B)

NL-NEN

NEN 6674-1981 Waste water - Photometric determination of anionactive detergents

Standard Association of Australia （SAA）

AS 4549.1:1999 Particle size analysis - Photon correlation spectroscopy