Petroleum coke potassium oxide content

Petroleum coke potassium oxide content, Total:194 items.

The international standard classification for "Petroleum coke potassium oxide content" includes: Non-metalliferous minerals , Manganese ores , Aluminium and aluminium alloys , Petroleum products in general , Ferroalloys , Materials for aluminium production , Fertilizers , Chemical analysis of metals .

The Chinese standard classification for "Petroleum coke potassium oxide content" includes: Chemical raw material ore , Petroleum coke , Petroleum products in general , Metallurgical auxiliary material ore , Building material raw material ore , Manganese ore , Light metals and their alloys , Light metals and their alloys analysis method , Steel and iron alloy analysis method , Carbon material , Basic standards and general methods on chemical fertilizers .

Taiwan Provincial Standard of the People's Republic of China

CNS 8448-1982 Method for Determination of Potassium Oxide in Feldspar (Atomic Absorptiometric Method )
CNS 8447-1982 Method for Determination of Potassium Oxide in Feldspar (Flame Photometric Method)
CNS 8446-1982 Method for Determination of Potassium Oxide in Felospar (Gravimetric Method)
CNS 14476-2000 Method of test for sulfur in petroleum gas by oxidative microcoulometry

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 018-2020 Determination of Potassium Oxide Content in Potassium Chloride Sodium Tetraphenylborate Quaternary Ammonium Salt Volumetric Method
T/HNNMIA 24-2023 Tin oxide slag - Determination of tin content - Potassium iodate titration method
T/HNNMIA 13-2023 Limestone - Determination of potassium oxide and sodium oxide content - Flame atomic absorption spectrometry

Professional Standard - Chemical Industry

HG/T 2956.6-2001 Ascharite ores -- Determination of calcium and magnesium oxides content -- Volumetric methods
HG/T 2956.5-2001 Ascharite ores - Determination of ferrous oxide content - Potassium dichromate volumetric method

Professional Standard - Petrochemical Industry

SH/T 0058-1991 Determination method for content of silicon, vanadium and iron in petroleum coke
SH/T 0629-1996 Determination method for arsenic content in naphtha (potassium borohydride-silver nitrate spectrophotometric method)

Professional Standard - Commodity Inspection

SN/T 0992-2001 Rules for the inspection of burned petroleum coke and granule for export
SN/T 2725-2010 Determination of sodium potassium and iron content in coal tar oil and anthracene oil—Atomic absorption spectrometric method

Qinghai Provincial Standard of the People's Republic of China

DB63/T 1318-2014 Determination of Potassium Oxide Content in Potassium Chloride Sodium Tetraphenylborate Quaternary Ammonium Salt Volumetric Method
DB63/T 1423-2015 Determination of Potassium Oxide Content in Potassium Nitrate Sodium Tetraphenylborate Quaternary Ammonium Salt Volumetric Method

Sichuan Provincial Standard of the People's Republic of China

DB51/T 2045-2015 Determination method of high-purity vanadium pentoxide potassium oxide and sodium oxide content

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

GB/T 388-1964 Determination of sulfur content in petroleum products(oxygen bomb method)
GB/T 1507-2006 Manganese Ores - Determination of active oxygen content - Potassium dichromate titrimetric method
GB/T 1879-1995 Phosphate rock and concentrate-Determination of potassium oxide content-Flame atomic absorption spectrometric method
GB/T 22661.3-2008 Chemical analysis methods of potassium fluoborade - Part 3: Determination of potassium fluoborade content - Distillation-sodium hydrogen oxidizes titration volumetric method
GB/T 3286.12-2023 Methods for chemical analysis of limestone and dolornite—Part 12：Determination of potassium oxide and sodium oxide contents—Flame atomic absorption spectrometry method
GB/T 15057.2-1994 Limestone for chemical industry - Determination of calcium and magnesium oxides content
GB/T 5195.8-2006 Fluorspar―Determination of silicon dioxide content
GB/T 14506.11-2010 Methods for chemical analysis of silicate rocks—Part 11:Determination of potassium oxide and sodium oxide content

Anhui Provincial Standard of the People's Republic of China

DB34/T 3690-2020 Determination of carbon dioxide and nitrogen content in liquefied petroleum gas

工业和信息化部

YB/T 4711-2018 Steel slag. The determination of sodium oxide and potassium oxide. The flame atomic absorption spectrometric method
YB/T 4990-2022 Coking light oil--Determination of the phenol content--Gas chromatography
YB/T 4583.2-2017 Mulite. Determination of potassium and sodium content. Inductively coupled plasma atomic emission spectrometry
YB/T 4726.11-2021 Ferric-containing dust and sludge-Determination of iron (Ⅱ) oxide content-Potassium dichromate titrimetric method
YS/T 763-2019 Calcined petroleum coke used for producing graphitized cathode carbon block
YB/T 4710-2018 Steel slag. The determination of iron(II)oxide content. The potassium dichromate titrimetric method

工业和信息化部/国家能源局

JB/T 7948.7-2017 Methods for chemical analysis of welding fluxes. Part 7: Determination of sodium oxide and potassium oxide content

Professional Standard - Ferrous Metallurgy

YB/T 5335-2009 Vanadium pentoxid-Determination of sodium oxide and potaiumss oxide content-The flame atomic absorption spectrometric method
YB/T 5328-2009 Vanadium pentoxide-Determination of vanadium pentoxide content-The potassium permanganate oxidation-ammonium ferrous sulfate titrimetric mehtod
YB/T 190.5-2016 Continuous casting mold powder. Determination of potassium oxide and sodium oxide content. The flame atomic absorption spectrometric method
YB/T 5041-2012 Molybdenum Oxide - Determination of Sulfur Content - Combustion-potassium Iodate Volumetric Method

Professional Standard - Machinery

JB/T 7948.7-1995 Methods of Chemical Analysis of Soldering Flux Part 7: Determination of Sodium Oxide and Potassium Oxide

Professional Standard - Non-ferrous Metal

YS/T 575.9-2007 Methods for chemical analysis of bauxite Part 9:Determination of potassium oxide and sodium oxide Cotent flame atomic absorption spectrophotometric method

Professional Standard - Agriculture

NY/T 1867-2010 Determination of humus content in soil

国家煤矿安全监察局

MT/T 1179-2019 Classification for content of tar in coal

Professional Standard - Aviation

HB/Z 5107.4-2004 Methods for analysis of chemical oxidation solution for magnesium alloy -- Part 4: Determination of aluminum potassium sulfate content in aluminum potassium sulfate oxidation solution by EDTA volumetric method

未注明发布机构

DIN EN 1601 E:2012-07 Liquid petroleum products - Determination of organic oxygenate compounds and total organically bound oxygen content in unleaded petrol - Method by gas chromatography (O-FID)

RU-GOST R

GOST 19728.11-2001 Talc and talcomagnesite. Method for determination of sodium oxide and potassium oxide
GOST 19728.11-1974 Talc and talcmagnesite. Method for determination of sodium oxide and potassium oxide contents
GOST 23581.10-1979 Iron ores, concentrates, agglomerates and pellets. Methods of determination of kalium oxide and natrium oxide content
GOST 22974.10-1996 Melted welding fluxes. Methods of sodium and potassium oxides determination
GOST 22974.10-1985 Melted welding fluxes. Methods of sodium and potassium oxides determination
GOST 19609.5-1989 Concentrated kaolin. Method for determination of potassium and sodium oxides
GOST 22898-1978 Low-sulphur petroleum cokes. Specifications
GOST 26318.7-1984 Non-metallic ore materials. Method for determination of potassium oxide and sodium oxide mass fractions
GOST 23260.4-1978 Marble. Method for the determination of silicon dioxide, aluminium oxide and ferric oxide
GOST 25542.3-1993 Alumina. Methods for the determination of sodium oxide and potassium oxide
GOST 7619.10-1975 Fluorite. Methods for determination of magnesium oxide content
GOST 16799-1979 Petroleum cokes of delayed coking. Sampling and preparation of samples
GOST 17818.9-1990 Graphite. Method for determination of silicon oxide
GOST 18262.14-1988 Titanomagnetite ores, ironvanadium concentrates, agglomerates and pellets. Method for determination of potassium oxide and sodium oxide
GOST 26318.8-1984 Non-metallic ore materials. Radiometric method for determination of potassium oxide mass fraction

RO-ASRO

STAS 8160/6-1970 CARBONIZED PETROLEUM COKE Determination of the moisture content
STAS 5424/7-1980 FORSTERITIC REFRACTORY PRODUCTS Determination of sodium oxide and potassium oxide content
STAS 12703/9-1989 ZIBCONIA Sodium oxide and potassium oxide content determination
STAS 318/9-1988 SPECIAL GLASS Sodium oxide "and potassium oxide content determination
STAS 4240/6-1985 TRASS Determination of sodium oxide, potassium oxide and titanium dioxide
STAS 9218/10-1973 ZIRGONIUM SILIGATE Determination of sodium oxide and polasiup oxide contents
STAS 4242/7-1988 BLAST FURNACE SLAG Determination of sodium oxide and potassium oxide
STAS 8160/4-1981 BURNT OFF PETROLEUM COKE Determination of titanium content
STAS 8160/5-1981 BURNT OFF PETROLEUM COKE Determination of vanadium content
STAS E 12744-1989 QUARTZITES FOR FOUNDRY Content determination of iron trioxide, aluminium trioxide, magnesium oxide, titanium dioxide, calcium oxide, sodium oxide, potassium oxide and silicon dioxide
STAS 8160/2-1981 BURNT OFF PETROLEUM COKE Determination of silicon content
STAS 8160/3-1981 BURNT OFF PETROLEUM COKE Determination of iron content
STAS 8160/1-1968 Calcined petroleum coke. Determination of sulfur content
STAS 9272/9-1981 ZIRCONIC REFRACTORY PRODUCTS Sodium and potassium oxide conlent determination
STAS 167/10-1970 QUARTZITE AND SILICA REFRACTORIES Dctcrmination of scdium oxide and potasium oxide
STAS 10387/10-1976 CALCIUM ALUMINATE CEMENTS FOR REFRACTORY CONCRETE Determination of sodium oxide content and potassium oxide content
STAS 4474/3-1987 PEASTER AND GYPSUM Determtnation of iron trioxide and aouminium trioxidec
STAS 9219/6-1973 CALCIUM FLUORIDE (FLUORITE) Determination of magnesium oxide content
STAS 6891-1963 Iron ore. Determination of calcium dioxide and magnesium dioxide content
STAS 4474/5-1987 PLASTEK ANO GYPSUM Determination of sulphur trioxide and carbon dioxide
STAS SR 8934-9-1997 Sodium chloride. Determination of potasium iodate content. Volumetric method

PL-PKN

PN C84039-06-1987 Potassium hydroxide technical Determination of potassium hydroxide and potassium carbonate content
PN C84039-10-1988 Potassium hydroxide technical Determination of chlorides content
PN C84039-09-1988 Potassium hydroxide technical Determination of heavy metals content
PN C84039-11-1988 Potassium hydroxide technical Determination of sulphates content
PN C84039-07-1987 Potassium hydroxide technical Determination of iron content Photocolorimetric method
PN C97088-1987 Coal derivative products UV spectrophotometric determination of tar acids content in coal tar and oils
PN C84039-12-1988 Potassium hydroxide technical Determination of chlorates content
PN H04093-1989 Chemical analysis of manganese ores Determination of sodium and potassium contents

CZ-CSN

CSN 65 2101-1985 Potassium hydroxide technical. Determination of potassium hydroxide content. Total alkalinity and potassium carbonate content. Titrimetrical method
CSN 65 2102-1985 Potassium hydroxide technical Photocolorimetric method for determination of iron content
CSN 65 2104-1986 Potassium hydroxide for industrial use. Determination of chloride content. Nephelometric method
CSN 65 2106-1986 Potassium hydroxide for industrial use. Determination of heavy metals content. Hydrogen sulphide method
CSN 68 8257-1957 Determine chemical oxygen demand. potassium permanganate. Oxidizable
CSN 65 2105-1986 Potassium hydroxide for industrial use. Determination of sulphate content. Nephelometric method

HU-MSZT

MSZ 12736/9-1978 MSZ 12736/9-78 Lime chemical testing． Sodium oxide and potassium oxide content detection
MSZ 4683/9-1977 Mineral wool chemical testing. Sodium oxide and potassium oxide content detection
MSZ 12303/8-1984 Chemical analysis of fireproof raw material products and sodium oxide content (Na20), potassium oxide (K20) content definition model
MSZ 12757/8-1976 MSZ 12757/8-76 Raw mineral testing. Sodium oxide and potassium oxide content detection
MSZ 3788-1959 Potassium hydroxide containing phosphorus for analysis
MSZ 3295/5.lap-1968 Aluminum Oxide Chemical Detection Silica Content Detection
MSZ 21 853/20-1976 Air pollutant source detection potassium oxide content
MSZ 525/7-1984 MSZ 525/7-84 Chemical analysis of cement, determination of sodium monoxide and potassium monoxide content
MSZ 3295/7-1971 Bauxite chemical testing for titanium. The oxide content detection
MSZ 5200/10.lap-1957 Generator testing. Definition of double potassium oxidizable substance content
MSZ KGST 978-1978 Content and content definition model of sodium oxide nitrogen (Na2 O) and potassium nitrogen oxide (K20) in fireproof raw material products containing magnesium oxide and nitrogen oxide substances

AENOR

UNE 84719:2013 Cosmetic raw materials. Toothpastes. Tetrapotassium pyrophosphate. Determination of phosphorus pentoxide content.
UNE-EN ISO 16591:2011 Petroleum products - Determination of sulfur content - Oxidative microcoulometry method (ISO 16591:2010)
UNE-EN 14077:2004 Petroleum products - Determination of organic halogen content - Oxidative microcoulometric method

Association Francaise de Normalisation

NF T20-379:1969 Chemical analysis of potassium hydroxide. Volumetric determination of potassium.
NF T20-376:1969 Chemical analysis of potassium hydroxide. Gravimetric determination of potassium.
NF T20-372:1969 Chemical analysis of potassium hydroxide. Determination of potassium (flame photometry method).
NF M07-009*NF EN ISO 16591:2012 Petroleum products - Determination of sulfur content - Oxidative microcoulometry method.
NF EN ISO 14244:2016 Oilseed meals - Determination of soluble protein content in potassium hydroxide solution
NF T20-378:1977 Potassium hydroxide for industrial use. Determination of carbon dioxide content. Titrimetric method.
NF M07-088:1997 Liquid petroleum products. Unleaded petrol. Determination of organic oxygenate compounds and total organically bound oxygen content by gas chromatography (O-FID).
NF M07-088:2015 Liquid petroleum products - Unleaded petrol - Determination of organic oxygenate compounds and total organically bound oxygen content by gas chromatography (O-FID)
NF T90-061*NF EN ISO 11905-1:1998 Water quality - Determination of nitrogen - Part 1 : method using oxidative digestion with peroxodisulfate.
NF EN 14077:2004 Petroleum products - Determination of the organic halogen content - Oxidizing microcoulometry method
NF T20-375:1977 Potassium hydroxide for industrial use. Determination of chlorides content. Photometric method.
NF T20-384:1977 Potassium hydroxide for industrial use. Determination of silica content. Gravimetric method by precipitation of quinoline molybdosilicate.
NF T20-374:1977 Potassium hydroxide for industrial use. Determination of chlorides content. Mercurimetric method.

Indonesia Standards

SNI 7574-2010 Determination of CaO, MgO, SiO2, Al2O3, Fe2O3, MnO, Na2O, K2O H2O- and LOI in the example of limestone, calcite, dolomite and marble
SNI 01-3201-1992 Oil and fats, Determination of iodyde number (Wijs methode)
SNI 15-0810-1989 Semi stable dolomite bricks with tar binding agent

TH-TISI

TIS 727-2008 Coal tar epoxy paints

YU-JUS

JUS H.G8.509-1991 Reagents. Potassium hydroxide. Determination of potassium hydroxide and carbonate contents. Volumetric method
JUS H.G8.510-1991 Reagents. Potassium hydroxide. Determination of chlorides content. Turbidimetric method
JUS H.G8.515-1991 Reagents. Potassium hydroxide. Determination of aluminium content. Colorimetric method
JUS H.G8.514-1991 Reagents. Potassium hydroxide. Determination of total nitrogen content. Colorimetric method
JUS H.G8.511-1991 Reagents. Potassium hydroxide. Determination of phosphates content. Colorimetric method
JUS H.G8.513-1991 Reagents. Potassium hydroxide. Determination of sulphates content. Turbidimetric method
JUS H.G8.512-1991 Reagents. Potassium hydroxide. Determination of silicate content. Colorimetric method
JUS H.G8.428-1990 Reagents. Potassium iodide. Determination of potassium iodide content. Volumetric method
JUS H.G8.098-1984 Reagents. Potassium chloride. Determination of potassium chloride content. Volumetric method

Korean Agency for Technology and Standards (KATS)

KS E 3717-2020 Analysis methods for contents of petroleum coke used fuel-grade
KS E 3042-1996 Methods for determination of potassium oxide in iron ores
KS M ISO 16591-2012(2022) Petroleum products－Determination of sulfur content－ Oxidative microcoulometry method
KS M ISO 16591-2022 Petroleum products－Determination of sulfur content－ Oxidative microcoulometry method
KS M ISO 16591-2012(2017) Petroleum products－Determination of sulfur content－ Oxidative microcoulometry method
KS M ISO 16591:2012 Petroleum products-Determination of sulfur content- Oxidative microcoulometry method

GOST

GOST 25542.3-1982 Alumina. Determination of sodium content fiame emission spectrophotometric method

TR-TSE

TS 2072-1975 POTASSIUM HYDROXIDE FOR INDUSTRIAL USE DETERMINATION OF CARBON DIOXIDE CONTENT TITRIMETRIC METHOD
TS 3335-1979 METHODS FOR THE CHEMICAL ANALYSISOF CERAMIC WHITAWARE CLAYS- DETERMINATION OF POTASSIUM OXIDESODIUM OXIDE CONTENTS
TS 568-1967 METHODS OF CHEMICAL ANALYSIS OF MANGANESE ORES DETERMINATION OF CALCIUM OXIDE CONTENT AND MAGNESIUM OXIDE CONTENT
TS 1144-1973 SODIUM HYDROXIDE AND POTASSIUM HYDROXCDE FOR INDUSTRIAL USE DETERMIN A.TION OF THE CARBON DK>XIDE CONTENT EXPRESSED AS SODIUMOR POTASSIUM CARBONATE GAS - VOLUMETRIC METHOD
TS 993-1971 SODIUM HYDROXIDE AND POTASSIUM HYDROXIDE FOR INDUSTRIAL USE DETERMINATION OF SULPHATE CONTENT (BARIUM SULPHATE GRAVIMETRIC METHOD
TS 994-1981 SODIEN HYDROXIDE AND POTASSIUM HYDROXIDE POR INDUSTRIAL USE- DETERMINATION OF IRON CONTENT 1,10 — PHENANTHROLINE PHOTOMETRIC METHOD
TS 2188-1976 POTASSIUM HYDROXIDE FOR INDUSTRIAL USE DETERMINATION OF CHLORIDE CONTENT MERCURIMETRIC METHOD
TS 992-1971 SODIUM HYDROXIDE AND POTASSIUM HYDROXIDE FOR INDUSTRIAL USE DETERMINATION OF CHLORIDE CONTENT VOLHARD VOLUMETRIC METHOD
TS 2113-1975 POTASSIUM HYDROXIDE FOR INDUSTRIAL USE DETERMINATION OF CHLORIDES CONTENT PHOTOMETRIC METHOD

BE-NBN

NBN T 03-196-1980 Potassium hydroxide for industrial use - Determination of carbon dioxide content - Titrimetric method
NBN T 03-191-1980 M?THODE PHOTOMETRIQUE AU MOLYBDOSILICATE REDUIT
NBN T 52-725-1990 Petroleum products - Organic oxygen compounds used as substitution fuels in petrol (gasoline) - Permitted compounds and contents
NBN T 03-197-1980 Potassium hydroxide for industrial use - Determination of chlorides content - Photometric method

International Organization for Standardization (ISO)

ISO 2900:1973 Potassium hydroxide for industrial use; Determination of carbon dioxide content; Titrimetric method
ISO 992:1975 Potassium hydroxide for industrial use; Determination of chlorides content; Mercurimetric method
ISO 16591:2010 Petroleum products - Determination of sulfur content - Oxidative microcoulometry method
ISO 991:1976 Potassium hydroxide for industrial use — Determination of carbonates content — Gas-volumetric method
ISO 995:1975 Potassium hydroxide for industrial use; Determination of silica content; Reduced molybdosilicate photometric method
ISO 993:1976 Potassium hydroxide for industrial use — Determination of sulphate content — Barium sulphate gravimetric method
ISO 996:1976 Potassium hydroxide for industrial use — Determination of silica content — Gravimetric method by precipitation of quinoline molybdosilicate

British Standards Institution (BSI)

BS EN ISO 16591:2010 Petroleum products. Determination of sulfur content. Oxidative microcoulometry method
BS EN ISO 16591:2011 Petroleum products. Determination of sulfur content. Oxidative microcoulometry method
BS EN 14077:2003 Petroleum products. Determination of organic halogen content. Oxidative microcoulometric method

GOSTR

GOST ISO 16591-2015 Petroleum products. Determination of sulfur content. Oxidative microcoulometry method

SCC

DANSK DS/EN ISO 16591:2011 Petroleum products - Determination of sulfur content - Oxidative microcoulometry method
NS-EN 14077:2003 Petroleum products — Determination of organic halogen content — Oxidative microcoulometric method
AENOR UNE-EN 1601:2018 Liquid petroleum products - Determination of organic oxygenate compounds and total organically bound oxygen content in unleaded petrol - Method by gas chromatography (O-FID)
NS-EN ISO 16591:2010 Petroleum products — Determination of sulfur content — Oxidative microcoulometry method (ISO 16591:2010)
DANSK DS/EN 14077:2004 Petroleum products - Determination of organic halogen content - Oxidative microcoulometric method

Danish Standards Foundation

DS/EN ISO 16591:2011 Petroleum products - Determination of sulfur content - Oxidative microcoulometry method
DS/EN 14077:2004 Petroleum products - Determination of organic halogen content - Oxidative microcoulometric method

German Institute for Standardization

DIN EN ISO 16591:2011-04 Petroleum products - Determination of sulfur content - Oxidative microcoulometry method (ISO 16591:2010); German version EN ISO 16591:2010
DIN EN 1601:2017-10 Liquid petroleum products - Determination of organic oxygenate compounds and total organically bound oxygen content in unleaded petrol - Method by gas chromatography (O-FID); German version EN 1601:2017
DIN EN 14077:2004-03 Petroleum products - Determination of organic halogen content - Oxidative microcoulometric method; German version EN 14077:2003
DIN EN 14077:2004 Petroleum products - Determination of organic halogen content - Oxidative microcoulometric method; German version EN 14077:2003

GSO

OS GSO ISO 16591:2014 Petroleum products -- Determination of sulfur content -- Oxidative microcoulometry method
BH GSO ISO 16591:2015 Petroleum products -- Determination of sulfur content -- Oxidative microcoulometry method
GSO ISO 16591:2014 Petroleum products -- Determination of sulfur content -- Oxidative microcoulometry method

ES-UNE

UNE-EN ISO 16591:2011 ERRATUM:2011 Petroleum products - Determination of sulfur content - Oxidative microcoulometry method (ISO 16591:2010)

ZA-SANS

SANS 6293:2006 Lime tests - Calcium oxide content
SANS 6294:2006 Lime tests - Magnesium oxide content
SANS 6308:2006 Lime tests - Sulfur trioxide content
SANS 6295:2006 Lime tests - Carbon dioxide content

European Committee for Standardization (CEN)

EN ISO 16591:2010 Petroleum products - Determination of sulfur content - Oxidative microcoulometry method (ISO 16591:2010)

American Society for Testing and Materials (ASTM)

ASTM D4422-94(1998) Standard Test Method for Ash In Analysis of Petroleum Coke

PT-IPQ

NP 322-1963 plaster. Measurement of carbon dioxide content
NP 1238-1976 Potassium hydroxide used in industry. Measurement of carbonate content

BR-ABNT

ABNT P-MB-514-1969 Chemical Analysis of Portland Cement Flame Spectrometry Detection of Sodium Oxide; Potassium Oxide Content

Japanese Industrial Standards Committee (JISC)

JIS M 8208:1995 Iron ores -- Method for determination of potassium content

Lithuanian Standards Office

LST EN ISO 16591:2011 Petroleum products - Determination of sulfur content - Oxidative microcoulometry method (ISO 16591:2010)
LST EN 14077-2004 Petroleum products - Determination of organic halogen content - Oxidative microcoulometric method

VN-TCVN

TCVN 3648-1981 Tin ores.Method for the determination of calcium oxide and magnesium oxide contents

CU-NC

NC 44-18-5-1984 Ores. Silica Sand. Determination of Sodium Oxide and Potassium Oxide by Fíame Photometry

NL-NEN

NEN 961-1970 Petroleum products. Determination of sulfur by the bomb method

Others: