Spectrophotometric Determination of Ester Content

Spectrophotometric Determination of Ester Content, Total:200 items.

The international standard classification for "Spectrophotometric Determination of Ester Content" includes: Non-metalliferous minerals , Spices and condiments , Ferroalloys , Fertilizers , Metalliferous minerals , Pharmaceutics .

The Chinese standard classification for "Spectrophotometric Determination of Ester Content" includes: Fuel oil , Metallurgical auxiliary material ore , Grease and oil processing and products , Aromatics, seasoner crop and product , Steel and iron alloy analysis method , Chemical fertilizer and chemical soil conditioner , Iron ore , Basic standards and general methods for water treatment agent .

Professional Standard - Petrochemical Industry

SH/T 0559-1993 Determination method of alkyl nitrate content in diesel oil (spectrophotometric method)
SH/T 0570-2017 Determination of platinum content in reforming catalysts by spectrophotometric method
SH/T 0020-1990 Determination of phosphorus content in gasoline (Spectrophotometric method)

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

GB/T 5059.2-2014 Ferromolybdenum―Determination of antimony content―Malachite green spectrophotometric method
GB/T 5059.6-2007 Ferromolybdenum—Determination of phosphorus content—Molybdobismuthylphosphoric blue spectrophotometric method and the molybdenum blue spectrophotometrc method
GB/T 6730.18-2006 Determination of phosphorus content in iron ore molybdenum blue spectrophotometric method
GB/T 2441.2-2001 Determination of urea-Determination of biuret content-Spectrophotometric method
GB/T 7731.4-2021 Ferrotungsten—Determination of phosphorus content—Phosphorus molybdenum blue spectrophotometric method
GB/T 17528-1998 Determination of piperine content--Spectrophotometric method
GB/T 8704.7-2009 Ferrovanadium—Determination of phosphorus content—The molybdenum blue photometric method
GB/T 4701.7-2009 Ferrotitanium—Determination of phosphorus content—Molybdobismuthylphosphoric blue spectrophotometric method and the molybdenum blue spectrophotometric method
GB/T 5195.6-2017 Fluorspar - Determination of phosphorus content - Photometric method
GB/T 45316-2025 Determination of piperine content—Spectrophotometric method
GB/T 6730.18-2006 Iron ores - Determination of phosphorus content - Molybdenum blue spectrophotometric method
GB/T 7731.5-2021 Ferrotungsten—Determination of silicon content—Silicomolybdenum blue spectrophotometric method
SPC GB/T 24583.5-2019 Vanadium-nitrogen -- Determination of phosphorus content -- Bismuth molybdenum blue spectrophotometric method (TEXT OF DOCUMENT IS IN CHINESE)

Group Standards of the People's Republic of China

T/HNNMIA 22-2023 Sodium aluminate solution - Determination of vanadium content - Spectrophotometric method
T/NAIA 097-2021 Determination of total phenolic content in Lycium barbarum by spectrophotometric method
T/HNNMIA 91-2023 Bauxite-Determination of vanadium content-Spectrophotometric method
T/SDAQI 034-2021 Determination of chromium (VI) in fertilizers-Spectrophotometric

Yunnan Provincial Standard of the People's Republic of China

DB53/T 729-2015 Determination of germanium content in zinc materials spectrophotometric method

Professional Standard - Agriculture

NY/T 2332-2013 Determination of total sugars in red ginseng—Spectrophotometry

Jilin Provincial Standard of the People's Republic of China

DB22/T 1670-2012 Determination of lignin content in ginseng by spectrophotometry
DB22/T 2288-2015 Determination of Phospholipid Content in Deer Antler by Spectrophotometry

Heilongjiang Provincial Standard of the People's Republic of China

DB23/T 1382-2010 Spectrophotometric method for determination of urea content in feed

Professional Standard - Chemical Industry

HG/T 4327-2012 Reclaimed water—Determination of total iron content—Spectrophotometric method

Professional Standard - Ferrous Metallurgy

YB/T 4531-2016 Ferrophosphorus. Determination of silicon content. Silicon molybdenum blue spectrophotometric method
YB/T 4726.5-2021 Ferric-containing dust and sludge-Determination of phosphorus content-Bismuth phosphomolybdate blue spectrophotometric method

Inner Mongolia Provincial Standard of the People's Republic of China

DB15/T 3364-2024 Determination of polysaccharide content in Artemisia annua seeds Spectrophotometric method

German Institute for Standardization

DIN EN ISO 4945:2010 Steel - Determination of nitrogen content - Spectrophotometric method (ISO 4945:1977); German version EN ISO 4945:2009
DIN EN 10179:2024 Steels - Determination of nitrogen (trace amounts) - Spectrophotometric method
DIN EN 10179:2024-10 Steels - Determination of nitrogen (trace amounts) - Spectrophotometric method
DIN EN ISO 4945:2010-03 Steel - Determination of nitrogen content - Spectrophotometric method (ISO 4945:1977)
DIN EN ISO 17852:2008 Water quality - Determination of mercury - Method using atomic fluorescence spectrometry (ISO 17852:2006); English version of DIN EN ISO 17852:2008-04

International Organization for Standardization (ISO)

ISO 4945:1977 Steel; Determination of nitrogen content; Spectrophotometric method
ISO 1053:1975 Zinc; Determination of copper content; Spectrophotometric method
ISO 13759:1996 Petroleum products - Determination of alkyl nitrate in diesel fuels - Spectrometric method
ISO 4945:2018 Steel - Determination of nitrogen - Spectrophotometric method
ISO 9441:1988 Steel; determination of niobium content; PAR spectrophotometric method
ISO 17058:2004 Steel and iron - Determination of arsenic content - Spectrophotometric method
ISO 9441 Steel - Determination of niobium content - PAR spectrophotometric method
ISO 3886:1977 Iron ores — Determination of manganese content — Spectrophotometric method
ISO 4941:1994 Steel and iron - Determination of molybdenum content - Thiocyanate spectrophotometric method
ISO 7834:1987 Iron ores; Determination of arsenic content; Molybdenum blue spectrophotometric method
ISO 10153:1997 Steel - Determination of boron content - Curcumin spectrophotometric method
ISO 10153:1991 Steel; determination of boron content; curcumin spectrophotometric method
ISO 6491:1998 Animal feeding stuffs - Determination of phosphorus content - Spectrometric method
ISO 629:1982 Steel and cast iron; Determination of manganese content; Spectrophotometric method
ISO 9683:1991 Iron ores; determination of vanadium content; BPHA spectrophotometric method
ISO 629:2026 Steel and cast iron — Determination of manganese content — Spectrophotometric method
ISO 1570:1975 Zinc and zinc alloys; Determination of tin content; Spectrophotometric method
ISO 1055:1975 Zinc and zinc alloys; Determination of iron content; Spectrophotometric method
ISO 4687:1984 Iron ores — Determination of phosphorus content — Molybdenum blue spectrophotometric method
ISO 2543:1973 Copper and copper alloys; Determination of manganese; Spectrophotometric method
ISO 4939:2016 Steel - Determination of nickel - Dimethylglyoxime spectrophotometric method
ISO 7834 Iron ores - Determination of arsenic content - Molybdenum blue spectrophotometric method

European Committee for Standardization (CEN)

EN ISO 4945:2009 Steel - Determination of nitrogen content - Spectrophotometric method (ISO 4945:1977)
EN ISO 4945:2018 Steel - Determination of nitrogen - Spectrophotometric method
EN ISO 13759:1996 Petroleum products - Determination of alkyl nitrate in diesel fuels - Spectrometric method (ISO 13759:1996)
CEN/TS 15656:2015 Copper and copper alloys - Determination of phosphorus content - Spectrophotometric method

Korean Agency for Technology and Standards (KATS)

KS D ISO 1053-2002(2007) Zinc — Determination of copper content — Spectrophotometric method
KS D ISO 1053-2012 Zinc — Determination of copper content — Spectrophotometric method
KS D ISO 4945:2002 Steel－Determination of nitrogen content－Spectrophotometric method
KS D ISO 4945-2002(2017) Steel－Determination of nitrogen content－Spectrophotometric method
KS D ISO 17058-2020 Steel and iron — Determination of arsenic content —Spectrophotometric method
KS D ISO 17058:2005 Steel and iron－Determination of arsenic content－ Spectrophotometric method
KS D ISO 17058:2020 Steel and iron — Determination of arsenic content —Spectrophotometric method
KS D ISO 9441-2022 Steel－Determination of niobium content－PAR spectrophotometric method
KS D ISO 17058-2025 Steel and iron — Determination of arsenic content — Spectrophotometric method
KS E ISO 8556:2001 Aluminium ores－Determination of phosphorus content－Molybdenum blue spectrophotometric method
KS D ISO 629-2023 Steel and cast iron－Determination of manganese content－Spectrophotometric method
KS D ISO 629:2008 Steel and cast iron－Determination of manganese content－Spectrophotometric method
KS E ISO 9683-1:2010 Iron ores － Determination of vanadium － Part 1: BPHA spectrophotometric method
KS D ISO 629-2008(2023) Steel and cast iron－Determination of manganese content－Spectrophotometric method
KS E ISO 9208-2021 Aluminium ores ― Determination of vanadium content ― BPHA spectrophotometric method
KS D ISO 4942:2002 Steel and iron－Determination of vanadium content－N-BPHA spectrophotometric method
KS D ISO 10153:2007 Steel－Determination of boron content－Curcumin spectrophotometric method
KS D ISO 10153-2022 Steel－Determination of boron content－Curcumin spectrophotometric method
KS E ISO 9208-2001(2016) Aluminium ores ― Determination of vanadium content ― BPHA spectrophotometric method
KS D ISO 10153-2007(2022) Steel－Determination of boron content－Curcumin spectrophotometric method
KS D ISO 2543:2002 Copper and copper alloys－Determination of manganese－Spectrophotometric method
KS D ISO 1055:2012 Zinc and zinc alloys－Determination of iron contentSpectrophotometric method
KS E ISO 7834-2012(2022) Iron ores－Determination of arsenic content－Molybdenum blue spectrophotometric method
KS D ISO 1570:2012 Zinc and zinc alloys－Determination of tin content－Spectrophotometric method
KS E ISO 8556-2001(2021) Aluminium ores－Determination of phosphorus content－Molybdenum blue spectrophotometric method
KS D ISO 1810:2002 Copper alloys-Determination of nickel(low content)-Dimethylglyoxime spectrophotometric method
KS D ISO 714:2002 Zinc－Determination of iron content－Photometric method
KS E ISO 7834:2012 Iron ores-Determination of arsenic content-Molybdenum blue spectrophotometric method
KS E ISO 8556-2021 Aluminium ores－Determination of phosphorus content－Molybdenum blue spectrophotometric method
KS D ISO 714-2002(2022) Zinc－Determination of iron content－Photometric method

The Directorate General of Specifications and Metrology (DGSM)

OS GSO ISO 4945:2015 Steel -- Determination of nitrogen content -- Spectrophotometric method
OS GSO ISO 17058:2013 Steel and iron -- Determination of arsenic content -- Spectrophotometric method
OS GSO ISO 9441:2015 Steel -- Determination of niobium content -- PAR spectrophotometric method
OS GSO ISO 10153:2015 Steel -- Determination of boron content -- Curcumin spectrophotometric method
OS GSO ISO 9208:2016 Aluminium ores - Determination of vanadium content -- BPHA spectrophotometric method
OS GSO ISO 4942:2015 Steel and iron -- Determination of vanadium content -- N-BPHA spectrophotometric method
OS GSO ISO 6607:2015 Aluminium ores -- Determination of total silicon content -- Combined gravimetric and spectrophotometric method
OS GSO ISO 7834:2015 Iron ores -- Determination of arsenic content -- Molybdenum blue spectrophotometric method
OS GSO ISO 714:2013 Zinc -- Determination of iron content -- Photometric method
OS GSO ISO 6491:2005 ANIMAL FEEDING STUFFS – DETERMINATION OF TOTAL PHOSPHORUS CONTENT – SPECTROPHOTOMETRIC METHOD

Belgian Standards Institute

NBN P 32-004-1977 Zinc - Determination of copper content -Spectrophotometric method

Danish Standards Foundation

DANSK DS/EN ISO 4945:2009 Steel – Determination of nitrogen content – Spectrophotometric method
DS/EN ISO 4945:2009 Steel - Determination of nitrogen content - Spectrophotometric method
DANSK DS/CEN/TS 15656:2015 Copper and copper alloys - Determination of phosphorus content - Spectrophotometric method

British Standards Institution (BSI)

BS EN ISO 4945:2010 Steel. Determination of nitrogen content. Spectrophotometric method
BS EN ISO 4945:2009 Steel - Determination of nitrogen content - Spectrophotometric method
BS ISO 17058:2004 Steel and iron - Determination of arsenic content - Spectrophotometric method
BS ISO 17058:2004(2008) Steel and iron — Determination of arsenic content — Spectrophotometric method
BS EN 12632:1999 Fruit and vegetable juices. Enzymatic determination of acetic acid (acetate) content. NAD spectrometric method
BS EN 14937-1:2006 Copper and copper alloys - Determination of antimony content - Spectrophotometric method
BS 7020-10-10.1:1988 Analysis of iron ores. Methods for the determination of copper content.-Spectrophotometric method
BS ISO 4942:2016 Steels and irons. Determination of vanadium content. N-BPHA spectrophotometric method
BS PD CEN/TS 15656:2015 Copper and copper alloys. Determination of phosphorus content. Spectrophotometric method
BS DD CEN/TS 15656:2009 Copper and copper alloys - Determination of phosphorus content - Spectrophotometric method
BS 7020-13:1988 Analysis of iron ores. Method for the determination of arsenic content. Spectrophotometric method
BS DD CEN/TS 15656:2010 Copper and copper alloys. Determination of phosphorus content. Spectrophotometric method
BS 7020 Sec.5.2:1993 Analysis of iron ores. Methods for the determination of silicon content. Reduced molybdosilicate spectrophotometric method

Finnish Standards Institute

SFS-EN 10178:2024 Steels. Determination of niobium. Spectrophotometric method
SFS-EN ISO 4945:2018 Steel. Determination of nitrogen. Spectrophotometric method (ISO 4945:2018)

Association Francaise de Normalisation

NF EN 10179:2024 Steels - Determination of nitrogen (trace amounts) - Spectrophotometric method
NF A11-101:1983 Chemical analysis of ferroniobium. Determination of niobium content gravimetric method. Determination of tantalum content. Spectrophotometric method.
NF A20-423:1986 Iron ores. Determination of titanium content. Spectrophotometric determination.
NF A20-401:1985 Iron ores. Determination of phosphorus content. Spectrophotometric method.
NF T90-139*NF EN ISO 17852:2008 Water quality - Determination of mercury - Method using atomic fluorescence spectrometry
NF A22-410:1986 Manganese ores. Determination of arsenic content. Spectrophotometric and volumetric determinations.
NF V18-106*NF ISO 6491:2011 Animal feeding stuffs - Determination of phosphorus content - Spectrophotometric method
NF V18-106:1980 Animal feeding stuffs. Determination of total phosphorus content. Spectrophotometric method.
NF A06-346*NF ISO 4942:2025 Steels and irons - Determination of vanadium content - N-BPHA spectrophotometric method
NF A20-430*NF ISO 7834:1988 Iron ores. Determination of arsenic content. Molybdenum blue spectrophotometric method.
XP A06-727*XP CEN/TS 15656:2015 Copper and copper alloys - Determination of phosphorus content - Spectrophotometric method

Ente Nazionale Italiano di Unificazione

UNI EN 10179:2024 Steels - Determination of nitrogen (trace amounts) - Spectrophotometric method
UNI EN ISO 4945:2019 Steel - Determination of nitrogen - Spectrophotometric method
UNI EN ISO 4945:2009 Steel - Determination of nitrogen content - Spectrophotometric method
UNI ISO 3886:1980 Iron ores. Determination of manganese content. Spectrofotometric method.
UNI ISO 629:1985 Steel and cast iron. Determination of manganese content. Spectrophotometric method.
UNI CEN/TS 15656:2015 Copper and copper alloys - Determination of phosphorus content - Spectrophotometric method
UNI EN ISO 10519:2001 Rapeseed - Determination of chlorophyll content - Spectrometric method
UNI CEN/TS 15656:2009 Copper and copper alloys - Determination of phosphorus content - Spectrophotometric method
UNI EN ISO 10519:2025 Rapeseed - Determination of chlorophyll content - Spectrometric method

Standards Norway

NS-EN 10179:2024 Steels - Determination of nitrogen (trace amounts) - Spectrophotometric method
NS-EN ISO 4945:2009 Steel — Determination of nitrogen content — Spectrophotometric method (ISO 4945:1977)
SN-CEN/TS 15656:2015 Copper and copper alloys - Determination of phosphorus content - Spectrophotometric method

Asociación Española de Normalización (AENOR)

UNE-EN 10178:2025 Steels - Determination of niobium - Spectrophotometric method
UNE-EN 10179:2025 Steels - Determination of nitrogen (trace amounts) - Spectrophotometric method

Spanish Association for Standardization (UNE)

UNE 36317-1:1985 DETERMINATION OF NITROGEN CONTENT OF STEELS. SPECTROPHOTOMETRIC METHOD
UNE 37258:1986 LEAD. DETERMINATION OF ARSENIC CONTENT. SPECTROPHOTOCOLORIMETRY METHOD.
UNE 35026-1:1985 FERROALLIAGES. DETERMINATION OF PHOSPHORUS CONTENT. SPECTROPHOTOMETRIC METHOD
UNE-EN ISO 4945:2010 Steel - Determination of nitrogen content - Spectrophotometric method (ISO 4945:1977)
UNE 35064-1:1985 FERRO-VANADIUM AND FERROMOLYBDENUM. DETERMINATION OF PHOSPHORUS CONTENT. SPECTROPHOTOMETRIC METHOD
UNE 22143:1990 IRON ORES. DETERMINATION OF PHOSPHORUS CONTENT. SPECTROPHOTOMETRIC METHOD OF MOLYBDENUM BLUE.

GCC Standardization Organization

GSO ISO 17058:2013 Steel and iron -- Determination of arsenic content -- Spectrophotometric method
GSO ISO 6491:2005 ANIMAL FEEDING STUFFS – DETERMINATION OF TOTAL PHOSPHORUS CONTENT – SPECTROPHOTOMETRIC METHOD
GSO ISO 4942:2015 Steel and iron -- Determination of vanadium content -- N-BPHA spectrophotometric method
GSO ISO 629:2015 Steel and cast iron -- Determination of manganese content -- Spectrophotometric method
GSO ISO 9208:2016 Aluminium ores - Determination of vanadium content -- BPHA spectrophotometric method
GSO ISO 7834:2015 Iron ores -- Determination of arsenic content -- Molybdenum blue spectrophotometric method
GSO ISO 6607:2015 Aluminium ores -- Determination of total silicon content -- Combined gravimetric and spectrophotometric method

Gosstandart of Russia

GOST 31980-2012 Milk. Spectrometric method for determination of total phosphorus content
GOST R ISO 10153-2011 Steel. Determination of boron content. Curcumin spectrophotometric method
GOST 28902-1991 Animal feeding stuffs. Determination of total phosphorus content. Spectrophotometric method
GOST 31584-2012 Milk. Spectrophotometric method for determination of total phosphorus content

COMMISSION FOR THE STANDARDS, METROLOGY AND QUALITY OF VIETNAM (STAMEQ)

TCVN 7724-2007 Water quality.Determination of merdury.Method using atomic fluorescence spectrometry
TCVN 1525-2001 Animal feeding stuffs.Determination of Phosphorus content.Spectrometric method
TCVN 4779-1999 Aluminium ores.Determination of phosphorus content.Molypdenum blue spectrophotometric method
TCVN 1675-2007 Iron ores.Determination of arsenic content.Molybdenum blue spectrophotometric method

Swedish Institute for Standards

SS-EN 10179:2024 Steels - Determination of nitrogen (trace amounts) - Spectrophotometric method
SS-EN ISO 4945:2018 Steel - Determination of nitrogen - Spectrophotometric method (ISO 4945:2018)

Yugoslav Association for Standardization

JUS B.G8.111-1989 Iron ores. Determination of manganese content. Spectrophotometric nethod
JUS H.B8.443-1984 Phthaiate and adi pate esters for industrial use. Determination of free alcohols content. Spectrophoto-metric method
JUS H.B8.287-1983 Fertilizers. Determination of content amid-nitrogen. Spectrophotometric method
JUS H.F8.232-1986 Gases. Determination of hydrocarbons content. Infrared spectrophotometric method
JUS H.Z1.195-1987 Testing of industrial vvaters. Determination of thorium content. Spectrophotometric method.

Kingdom of Bahrain Testing and Metrology Directorate

BH GSO ISO 9208:2017 Aluminium ores - Determination of vanadium content -- BPHA spectrophotometric method
BH GSO ISO 10153:2016 Steel -- Determination of boron content -- Curcumin spectrophotometric method
BH GSO ISO 6607:2017 Aluminium ores -- Determination of total silicon content -- Combined gravimetric and spectrophotometric method
BH GSO ISO 7834:2017 Iron ores -- Determination of arsenic content -- Molybdenum blue spectrophotometric method

National Standardisation Body (ASRO)

STAS SR 11039-5-1996 Silicocalcium. Determination of phosphorus content. Spectrophotometric method
SR ISO 4942:1994 Steel and iron. Determination of vanadium content. N-BPHA spectrophotometric method
STAS SR 13144-1993 Cast irons and steels. Determination of antimony conterit Spectrophotometrical method
STAS SR 13145-1993 Cast irons and steels. Determination of tantalum content. Spectrophotometrical method
SR 7877-2-1995 Water quality. Determination of petroleum products content. Spectrophotometric method
STAS SR 13362-1996 Sodium chloride. Determination of iron. 1,10 - phenanthroline Photometric Method

Netherlands Institute for Standardization

NEN 2848-1986 Fruit juices - Determination of the total pectin content - Spectrophotometric method
NEN 6485-1983 Water - Photometric determination of chromium content
NEN 6488-1982 Water - Photometric determination of the copper content

Lithuanian Standards Office

LST EN ISO 4945:2010 Steel - Determination of nitrogen content - Spectrophotometric method (ISO 4945:1977)

Portuguese Institute of Quality

NP 3257-1988 Animal feeding stuffs Determination of ethopabate content Spectrophotometric method

Universal Oil Products Company (UOP)

UOP 865-1986 Determination of Phosphorus in Catalysts by Visible Spectrophotometry
UOP 804-1983 Determination of carbonyl content in phenol by visible spectrophotometry

Austrian Standards

ONORM C 1157-1995 Testing of petroleum products - Determination of chinizarene content -Spectrophotometric method

Bureau of Indian Standards

IS 14828-2000 Animal Feeding Stuff - Determination of Total Phosphorus Content - Spectrophotometric Method

Instituto Uruguayo de Normas Técnicas

UNIT-NM-COPANT 1579:2004 Steel and iron castings. Determination of manganese content - Spectrophotometric method.

American Society for Testing and Materials (ASTM)

ASTM UOP804-83 Carbonyl Content of Phenol by Visible Spectrophotometry

Polski Komitet Normalizacyjny (PKN)

PN H04112-1992 Iron ores. Determination of arsenic content. Molybdenum blue spectrophotometric method

Czech Standards Institute (UNMZ)

CSN 42 0640 Cast.12-1982 Nickel. Determination of tin by the photometric method
CSN 42 0640 Cast.16-1982 Chemical analysis of non-ferrous metals and alloys. Nickel. Determination of phosphorus by the photometric method
CSN 42 0646 Cast.6-1989 Chemical analysis of non-ferrous metals and alloys. Molybdenum. Determination of phosphorus by the photometric method
CSN 42 0671 Cast.6-1980 Aluminium. Determination of titanium by the photometric method
CSN 42 0621 Cast.34-1980 Copper. Determination of phosphorus by the photometric method
CSN 42 0633 Cast.6-1979 Cadmium. Determination of tin by the photometric method