GB/T 23945-2009 English PDF

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GB/T 23945-2009: Inorganic chemicals for industrial use -- General method for the determination of chloride content -- Visible turbidimetric method
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 23945-2009	189	Add to Cart	3 days	Inorganic chemicals for industrial use -- General method for the determination of chloride content -- Visible turbidimetric method	Valid

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Basic data

Standard ID: GB/T 23945-2009 (GB/T23945-2009)
Description (Translated English): Inorganic chemicals for industrial use -- General method for the determination of chloride content -- Visible turbidimetric method
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: G10
Classification of International Standard: 71.060.01
Word Count Estimation: 8,891
Date of Issue: 2009-06-02
Date of Implementation: 2010-02-01
Quoted Standard: GB/T 6682-2008; HG/T 3696.2; HG/T 3696.3
Regulation (derived from): National Standard Approval Announcement 2009 No.8 (Total No.148)
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary: This standard specifies the determination of inorganic chemical products in general method of chloride content-the principle of visual turbidimetry, safety tips, general provisions, instruments, , equipment, analysis procedures and results to determine the reagent. This method is applicable to the determination of trace amounts of inorganic chemical products chloride. Detection range is 0. 2mg/L-4mg/L (Cl).

GB/T 23945-2009: Inorganic chemicals for industrial use -- General method for the determination of chloride content -- Visible turbidimetric method

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Inorganic chemicals for industrial use. General method for the determination of chloride contene. Visible turbidimetric method ICS 71.060.01 G10 National Standards of People's Republic of China Inorganic chemical products General method for determination of chloride content Visible turbidimetric method Posted 2009-06-02 2010-02-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

Appendix A of this standard is an informative annex. The standard proposed by China Petroleum and Chemical Industry Association. This standard by the National Standardization Technical Committee chemical inorganic chemicals Club (SAC/TC63/SC1) centralized. This standard is mainly drafted by. Bureau of copper powder are new materials Co., Ltd., CNOOC Tianjin Chemical Research & Design Institute, Tianjin access Habitat Inspection and Quarantine Bureau. The main drafters of this standard. Ouyang accurate, Yao Xuehui, Lu Siwei, Lu Gang, Ma. This standard is the first release. Inorganic chemical products General method for determination of chloride content Visible turbidimetric method

1 Scope

This method specifies the method for determination of inorganic chemical products in general chloride content than principle --- visual turbidity method, safety tips, general Regulations, reagents, instruments, equipment, analytical procedures and the results of determination. This method is applicable to the determination of trace amounts of inorganic chemical products chlorides. Detection range of 0.2mg/L ~ 4mg/L (Cl).

2 Normative references

The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard. GB/T 6682-2008 analytical laboratory use specifications and test methods (ISO 3696. 1987, MOD) Preparation of HG/T 3696.2 inorganic chemical products, chemical analysis of impurity standard solution Preparations of HG/T 3696.3 inorganic chemical products, chemical analysis Principle 3 Nitric acid solution, chloride ions and silver ions form insoluble silver chloride. When low chloride content, within a certain time was a silver chloride Suspension, the solution was cloudy, chloride can be used for visual turbidimetry.

4 Safety Tips

Reagents used in this test method is corrosive, the operator must be careful! As splashed on the skin should immediately wash with water, Yan In severe cases should be treated immediately.

5 General Provisions

This standard reagents and water, did not indicate when the other requirements, refer to analytically pure reagents and GB/T 6682-2008 specified three Grade water. Impurity standard solution, preparations and products needed to test, in the absence of other requirements specified according to HG/T 3696.2, HG/T 3696.3 Provisions prepared.

6 Reagents

6.1 the nitric acid solution. 1 + 4. 6.2 Silver nitrate solution. 17g/L. 6.3 Chloride standard stock solution. 1mL solution of chlorine (Cl) 0.10mg. Pipette Pipette 10mL chloride standard solution according to HG/T 3696.2 prepared, placed in 100mL flask, diluted with water To the mark. Placed inside the refrigerator, valid for one month. Chloride 6.4 Standard solution. 1mL solution of chlorine (Cl) 0.010mg. Pipette Pipette 10mL chloride standard stock solution, placed in 100mL flask, diluted with water to the mark. This solution Using now. ......

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