Sodium sulfate gravimetric method

Sodium sulfate gravimetric method, Total:56 items.

The international standard classification for "Sodium sulfate gravimetric method" includes: Chemical reagents , Chemical analysis of metals .

The Chinese standard classification for "Sodium sulfate gravimetric method" includes: General inorganic reagent , Synthetic food additives , Semimetal and semiconductor material analysis method .

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

GB/T 11213.5-1989 Sodium hydroxide for chemical fiber use--Determination of sulphate mass fraction--Barium sulphate gravimetric method
GB/T 15900-1995 Chemical reagent. Sodium pyrosulfite

Professional Standard - Chemical Industry

HG/T 4021-2008 Chemical reagent—Sodium pyrosulfite

Professional Standard - Light Industry

QB/T 1035.4-1991 Food Additive - Determination of Sulfate Content in Sodium Tripolyphosphate

Professional Standard - Aviation

HB/Z 5109.7-2001 Analysis method for passivation solution Determination of sodium sulfate in zinc plating, cadmium plating nitric acid passivation solution

Professional Standard - Non-ferrous Metal

YS/T 1084.3-2018 Methods for chemical analysis of crude selenium Part 3: Determination of selenium content Hydroxylamine hydrochloride reduction gravimetric method and sodium thiosulfate titration method
YS/T 226.15-1994 Determination of selenium content in selenium--Thiosulfate volumetric method

Taiwan Provincial Standard of the People's Republic of China

CNS 8046-1981 Method for Determination of Copper in Iron Ores (Sodium Thiosulfate Titration Method)
CNS 8043-1981 Method for Determination of Copper in Ores (Sodium Thiosulfate Titration Method)

Group Standards of the People's Republic of China

T/HNNMIA 50-2023 Determination of selenium content in acid mud - Sodium thiosulfate titration method

International Organization for Standardization (ISO)

ISO 5142:1977 Sodium sulphate for industrial use; Determination of sodium sulphate content; Gravimetric method
ISO 3237:1975 Sodium sulphate for industrial use; Determination of sulphates content; Calculation method and barium sulphate gravimetric method
ISO 743:1976 Sodium carbonate for industrial use; Determination of sulphate content; Barium sulphate gravimetric method
ISO 2480:1972 Sodium chloride for industrial use; Determination of sulphate content; Barium sulphate gravimetric method
ISO 982:1976 Sodium hydroxide for industrial use — Determination of sulphate content — Barium sulphate gravimetric method
ISO 3200:1975 Sodium and potassium silicates for industrial use; Determination of sulphates content; Barium sulphate gravimetric method
ISO 2487:1973 Potassium sulphate for industrial use; Determination of sulphate content; Barium sulphate gravimetric method

Association Francaise de Normalisation

NF T20-459:1980 Sodium sulphate for industrial use. Determination of sodium sulphate content. Gravimetric method.
NF T20-454:1976 Sodium sulphate for industrial use. Determination of sulphate content. Calculation method and barium sulphate gravimetric method.
NF T20-417:1975 Sodium carbonate for industrial use. Determination of sulphate content. Barium sulphate gravimetric method.
NF T20-405:1982 Sodium chloride for industrial use. Determination of sulphate content. Barium sulphate gravimetric method.
NF T20-527:1980 Sodium and potassium silicates for industrial use. Determination of sulphates content. Barium sulphate gravimetric method.
NF T20-429:1976 Sodium hydroxyde for industrial use. Determination of sulphate content. Barium sulphate gravimetric method.

Spanish Association for Standardization (UNE)

UNE 34233:1984 SODIUM CHLORIDE. DETERMINATION OF SULPHATE CONTENT. BARIUM SULPHATE GRAVIMETRIC METHOD.
AENOR UNE 55660:1982 Surface agents. Sodium sulfate used as raw material for detergent formulations. Determination of sodium sulfate content. Gravimetric method.
AENOR UNE 55661:1983 Surface agents. Sodium sulfate used as raw material for detergent formulations. Determination of sulfate content. Method by calculation and method by gravimetry to the state of barium sulfate.
UNE 55-660-1982 Gravimetric determination of sodium sulfate content in detergent formulation raw materials

The Directorate General of Specifications and Metrology (DGSM)

OS GSO ISO 2480:2008 Sodium chloride for industrial use - Determination of sulphate content - Barium sulphate gravimetric method

Korean Agency for Technology and Standards (KATS)

KS M ISO 2480:2017 Sodium chloride for industrial use — Determination of sulphate content — Barium sulphate gravimetric method
KS M ISO 2480-2017 Sodium chloride for industrial use — Determination of sulphate content — Barium sulphate gravimetric method
KS M ISO 2480-2022 Sodium chloride for industrial use — Determination of sulphate content — Barium sulphate gravimetric method
KS M ISO 2480-2017(2022) Sodium chloride for industrial use — Determination of sulphate content — Barium sulphate gravimetric method
KS M ISO 2480:2012 Sodium chloride for industrial use-Determination of sulphate content-Barium sulphate gravimetric method
KS M 1422-2015(2025) Sodium pyrosulfite(Sodium metabisulfite)
KS M 1422-2020 Sodium pyrosulfite(Sodium metabisulfite)

Belgian Standards Institute

NBN T 03-179-1980 Sodium sulphate for industrial use - Determination of sodium sulphate content - Gravimetrie method
NBN T 03-162-1980 Sodium chloride for industrial use - Determination of sulphate content - Barium sulphate gravimetrie method
NBN T 03-110-1979 Sodium carbonate for industrial use - Determination of sulphate content - Barium sulphate gravimetrie method
NBN T 03-124-1980 Sodium hydroxide for industrial use - Determination of sulphate content - Barium sulphate gravimetrie method
NBN T 03-174-1980 Sodium sulphate for industrial use - Determination of sulphates content - Calculation method and barium sulphate gravimetric method
NBN T 03-241-1980 Sodium and potassium silicates for industrial use - Determination of sulphates content - Barium sulphate gravimetrie method

Türk Standardları Enstitüsü

TS 757-1969 SODIUM CARBONATE FOR INDUSTRIAL USE DETERMINATION OF SULPHATE CONTENT BARIUM SULPHATE GRAVIMERTIC METHOD
TS 2226-1976 SODIUM AND POTASSIUM SILICATES FOR INDUSTRIAL USE DETERMINATION OF SULPHATES CONTENT BARIUM SULPHATE GRAVIMETRIC METHOD
TS 993-1971 SODIUM HYDROXIDE AND POTASSIUM HYDROXIDE FOR INDUSTRIAL USE DETERMINATION OF SULPHATE CONTENT (BARIUM SULPHATE GRAVIMETRIC METHOD

GCC Standardization Organization

GSO ISO 2480:2008 Sodium chloride for industrial use - Determination of sulphate content - Barium sulphate gravimetric method
BH GSO ISO 2480:2024 Sodium chloride for industrial use - Determination of sulphate content - Barium sulphate gravimetric method

Standards Norway

NS 9045:1981 Sodium hydroxide for industrial use — Determinatio of sulphate content — Barium sulphate gravimetric method

Ente Nazionale Italiano di Unificazione

UNI 6022:1967 Sodium carbonate for industrial use. Determination of solphate content. Gravimetric method.

National Standardisation Body (ASRO)

STAS SR ISO 2480:1995 Sodium chloride for industrial use. Determination of sulphate content. Barium sulphate gravimetric method

Yugoslav Association for Standardization

JUS H.G8.421-1990 Reagents. Sodlum sulphite, anhydrous and sodium sulphite heptahydrate. Determinatlcm of substances insoluble in nater. Gravimstric ttethod
JUS H.B8.320-1977 Sodium and potassium silicates for industrial use. Determination of sulphates content. Bariton sulphate gravimetric method

Czech Standards Institute (UNMZ)

CSN 65 2085-1984 Sodium carbonate technical Gravimetric method of sulphate content determination

Lithuanian Standards Office

LST ISO 2480:2003 Sodium chloride for industrial use. Determination of sulphate content. Barium sulphate gravimetric method (idt ISO 2480:1972)

Portuguese Institute of Quality

NP 1246-1976 Sodium sulfate used in industry. Measurement of sulfuric acid composition by hydrometry

Japanese Industrial Standards Committee (JISC)

JIS K 8973:1992 Sodium hydrogen sulfate monohydrate
JIS K 1471:1967 Sodium pyrosulfite (sodium metabisulfite)