氟化钠 标准查询与下载



共找到 133 条与 氟化钠 相关的标准,共 9

本标准规定了用氟化钠分离一EDTA滴定法测定铝含量。本标准适用于钢、合金中0.50%(m/m)~10.00%(m/m)铝含量的测定。

Methods for chemical analysis of iron,steel and alloy The sodium fluoride separation-EDTA titration method for the determination of aluminium content

ICS
77.040.30
CCS
H11
发布
2000-04-11
实施
2000-11-01

本标准规定了化学试剂氟化钠的技术要求、试验方法、检验规则和包装及标志。

Chemical reagent. Sodium fluoride

ICS
71.040.30
CCS
G62
发布
1997-09-09
实施
1998-02-01

本标准适用于氟化钠原始状态和干燥过的试样的制备和贮存。

Preparation and storage of test samples of sodium fluoride

ICS
71.060.50
CCS
H12
发布
1987-08-10
实施
1988-06-01

本标准适用于氟化钠中铁量(以三氧化二铁表示)的测定。测定范围:≥0.02%。

Methods for chemical analysis of sodium fluoride--The 1,10-phenanthroline spectro photometric method for the determination of iron content

ICS
71.060.50
CCS
H12
发布
1987-08-10
实施
1988-06-01

本标准适用于氟化钠中湿存水的测定。测定范围:

Methods for chemical analysis of sodium fluoride--The gravimetric method for the determination of moisture content

ICS
71.060.50
CCS
H12
发布
1987-08-10
实施
1988-06-01

本标准适用于氟化钠中可溶性硫酸盐的测定。测定范围:>0.05%。

Methods for chemical analysis of sodium fluoride--The turbidimetric method for the determination of soluble sulphates content

ICS
71.060.50
CCS
H12
发布
1987-08-10
实施
1988-06-01

本标准适用于氟化钠中碳酸盐量的测定。测定范围:>0.02%。

Methods for chemical analysis of sodium fluoride--The gravimetric method for the determination of carbonate content

ICS
71.060.50
CCS
H12
发布
1987-08-10
实施
1988-06-01

本标准适用于氟化钠中氟的测定。测定范围:40~60%。

Methods for chemical analysis of sodium fluoride--The distillation nitric thorium volumetric method for determination of fluorine content

ICS
71.060.50
CCS
H12
发布
1987-08-10
实施
1988-06-01

本标准适用于氟化钠中硅量(以二氧化硅表示)的测定。测定范围:0.02~1.00%。 本标准不适用于含五氧化二磷量大于0.02%试样中硅量的测定。

Methods for chemical analysis of sodium fluoride--The molybdenum blue photometric method for the determination of silica content

ICS
71.060.50
CCS
H12
发布
1987-08-10
实施
1988-06-01

本标准适用于氟化钠中水不溶物的测定。测定范围:

Methods for chemical analysis of sodium fluoride--The gravimetric method for the determination of water-insoluble matter

ICS
71.060.50
CCS
H12
发布
1987-08-10
实施
1988-06-01

本标准适用于氟化钠中酸度(以氟化氢表示)的测定。测定范围:

Methods for chemical analysis of sodium fluoride--The neutral titration for the determination of acidity

ICS
71.060.50
CCS
H12
发布
1987-08-10
实施
1988-06-01

本标准适用于氟化钠中氯量的测定。测定范围:≥0.005%。

Methods for chemical analysis of sodium fluoride--The turbidimetric method for the determination of chloride content

ICS
71.060.50
CCS
H12
发布
1987-08-10
实施
1988-06-01

本标准适用于由氢氟酸或硅氟酸与碳酸钠作用而制成的氟化钠。主要用于铝电解、木材防腐和杀虫剂等。

Sodium fluoride

ICS
71.060.50
CCS
H61
发布
1984-03-28
实施
1985-03-01

ICS
71.060.50
CCS
G12
发布
2017-11-07
实施
2018-04-01

Sodium fluoride (Reagent)

ICS
71.040.30
CCS
G62
发布
2016-03-22
实施

Chemicals used for treatment of water intended for human consumption - Sodium fluoride

ICS
71.100.80
CCS
G77
发布
2013-01-05
实施
2013-01-05

This European Standard is applicable to sodium fluoride used for treatment of water intended for human consumption. It describes the characteristics of sodium fluoride and specifies the requirements and the corresponding test methods for sodium fluoride. It gives information on its use in water treatment. It also determines the rules relating to safe handling and use (see Annex B).

Chemicals used for treatment of water intended for human consumption.Sodium fluoride; German version EN 12173:2012

ICS
71.100.80
CCS
G77
发布
2013-01
实施

이 표준은 개선된 윌라드-윈터 방법을 이용하여 산업용 플루오르화 소듐의 플루오린 함유량을

Sodium fluoride for industrial use-Determination of fluorine content-Modified Willard-Winter method

ICS
71.060.50
CCS
G51
发布
2012-12-24
实施
2012-12-24

이 표준은 산업용 플루오르화 소듐(이하 플루오르화 소듐이라 한다.)에 대하여 규정한다.

Sodium fluoride(NaF)

ICS
71.060.50
CCS
G10
发布
2012-12-14
实施
2012-12-14

이 표준은 산업용 플루오르화 소듐(이하 플루오르화 소듐이라 한다.)에 대하여 규정한다.

Sodium fluoride(NaF)

ICS
71.060.50
CCS
G10
发布
2012-12-14
实施
2012-12-14



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