现行

GOST 29287-1992

Натр едкий технический. Отбор образцов. Образец для испытаний. Приготовление основного раствора для испытаний
工业用氢氧化钠 采样 测试样品准备测试的主要解决方案

现行

BS 6075-5-1981

Methods of sampling and test for sodium hydroxide for industrial use-Sampling and preparation of main test solution
工业氢氧化钠的取样和试验方法

1981-02-27

现行

BS 6075-1-1981

Methods of sampling and test for sodium hydroxide for industrial use-Determination of sodium hydroxide content
工业氢氧化钠的取样和试验方法

1981-02-27

现行

BS 6075-0-1981

Methods of sampling and test for sodium hydroxide for industrial use-General introduction
工业氢氧化钠的取样和试验方法

1981-02-27

现行

BS 6075-3-1981

Methods of sampling and test for sodium hydroxide for industrial use-Determination of iron content
工业氢氧化钠的取样和试验方法

1981-02-27

现行

BS 6075-12-1981

Methods of sampling and test for sodium hydroxide for industrial use-Determination of copper content
工业氢氧化钠的取样和试验方法

1981-02-27

现行

BS 6075-6-1981

Methods of sampling and test for sodium hydroxide for industrial use-Determination of carbonate content
工业氢氧化钠的取样和试验方法

1981-02-27

现行

BS 6075-4-1981

Methods of sampling and test for sodium hydroxide for industrial use-Determination of silica content
工业氢氧化钠的取样和试验方法

1981-02-27

现行

BS 6075-8-1981

Methods of sampling and test for sodium hydroxide for industrial use-Determination of sulphate content
工业氢氧化钠的取样和试验方法

1981-02-27

现行

KS M ISO 739

산업용 탄산 소듐 — 시험 시료의 준비와 보관
工业用碳酸钠 - 测试样品的制备和储存

2019-12-12

现行

KS M ISO 739(2024 Confirm)

산업용 탄산 소듐 — 시험 시료의 준비와 보관
工业用碳酸钠试样的制备和贮存

2019-12-12

现行

ISO 739-1976

Sodium carbonate for industrial use — Preparation and storage of test samples
工业用碳酸钠——试样的制备和储存

1976-02-01

现行

BS 6075-9-1981

Methods of sampling and test for sodium hydroxide for industrial use-Determination of calcium and magnesium contents
工业氢氧化钠的取样和试验方法

1981-02-27

现行

BS 6075-14-1981

Methods of sampling and test for sodium hydroxide for industrial use-Determination of matter insoluble in water
工业氢氧化钠的取样和试验方法

1981-02-27

现行

BS 6075-10-1981

Methods of sampling and test for sodium hydroxide for industrial use-Determination of mercury content (photometric method)
工业氢氧化钠的取样和试验方法

1981-02-27

现行

BS 6075-2-1981

Methods of sampling and test for sodium hydroxide for industrial use-Determination of chloride content (mercurimetric method)
工业氢氧化钠的取样和试验方法

1981-02-27

现行

BS 6075-7-1981

Methods of sampling and test for sodium hydroxide for industrial use-Determination of chloride content (photometric method)
工业氢氧化钠的取样和试验方法

1981-02-27

现行

BS 5072-4-1980

Methods of test for sodium fluoride for industrial use-Preparation and storage of test samples
工业用氟化钠的试验方法

1980-04-30

现行

KS M ISO 2466

수산화 포타슘(산업용) — 시료 채취 — 시료 검사 — 정확한 분석을 위한 원액의 제조
工业用氢氧化钾 - 取样 - 测试样品 - 进行某些测定的主要解决方案的准备

2017-12-29

现行

KS M ISO 2466(2022 Confirm)

수산화 포타슘(산업용) — 시료 채취 — 시료 검사 — 정확한 분석을 위한 원액의 제조
工业用氢氧化钾.取样.试样.进行某些测定用主溶液的制备

2017-12-29