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GB/T 23835.9-2009 English PDF

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GB/T 23835.9-2009: Lithium perchlorate anhydrous -- Part 9: Determination of calcium content
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GB/T 23835.9-2009English189 Add to Cart 3 days [Need to translate] Lithium perchlorate anhydrous -- Part 9: Determination of calcium content Valid GB/T 23835.9-2009

PDF similar to GB/T 23835.9-2009


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Basic data

Standard ID GB/T 23835.9-2009 (GB/T23835.9-2009)
Description (Translated English) Lithium perchlorate anhydrous -- Part 9: Determination of calcium content
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard G10
Classification of International Standard 71.060.01
Word Count Estimation 8,889
Date of Issue 2009-05-18
Date of Implementation 2010-02-01
Quoted Standard GB/T 6682-2008; HG/T 3696.2; HG/T 3696.3
Regulation (derived from) PRC National Standard Approval Announcement 2009 No.6 (Total No.146)
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 method for determination of feed lithium perchlorate anhydrous calcium content of, safety tips, general provisions, reagents, instruments, equipment, analysis steps and calculations. This section applies to the determination of lithium perchlorate anhydrous calcium content. Linear range: 0. 006��g/mL ~ 0. 4��g/mL.

GB/T 23835.9-2009: Lithium perchlorate anhydrous -- Part 9: Determination of calcium content

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Lithium perchlorate anhydrous.Part 9. Determination of calcium content ICS 71.060.01 G10 National Standards of People's Republic of China Anhydrous lithium perchlorate Part 9. determination of calcium content 2009-05-18 release 2010-02-01 Implementation General Administration of Quality Supervision, Inspection and Quarantine of the People 's Republic of China China National Standardization Management Committee released

Foreword

GB/T 23835 "anhydrous lithium perchlorate" is divided into 13 parts. - Part 1. Technical requirements for anhydrous perchlorate; - Part 2. Determination of lithium perchlorate content; - Part 3. Determination of moisture; - Part 4. Determination of water insoluble content; - Part 5. Determination of chloride content; - Part 6. Determination of chlorate content; - Part 7. Determination of sulfate content; - Part 8. Determination of potassium and sodium content; - Part 9. Determination of calcium content; - Part 10. Determination of iron content; - Part 11. Determination of lead content; - Part 12. Determination of total nitrogen content; - Part 13. Determination of clarity. This part is part 9 of GB/T 23835. Appendix A to this section is an informative appendix. This section is proposed by the China Petroleum and Chemical Industry Association. This part is headed by the National Chemical Standardization Technical Committee of Inorganic Chemical Industry (SAC/TC63/SC1). This part of the main drafting unit. Xinjiang Nonferrous Metals Institute, CNOOC Tianjin Chemical Research and Design Institute. This part of the main drafters. Guan Yuzhen, Wang Hongchuan, branch of the Red Army, Lu Siwei. This part is the first release. Anhydrous lithium perchlorate Part 9. determination of calcium content

1 Scope

This section specifies the method for the determination of calcium in anhydrous lithium perchlorate. Methods, safety instructions, general regulations, reagents, Preparation, analysis steps and results calculations. This part is suitable for the determination of calcium in anhydrous lithium perchlorate, linear range. 0.006μg/mL ~ 0.4μg/mL.

2 normative reference documents

The terms of this document are hereby incorporated by reference in their entirety in part of GB/T 23835. Any reference to the date of the text , All subsequent amendments (excluding corrigenda) or revisions do not apply to this part, however, encouragement under this section The parties to the agreement study whether the latest version of these documents can be used. For undated references, the latest edition of this document applies section. GB/T 6682-2008 Analytical laboratory water specifications and test methods (ISO 3696. 1987, MOD) Preparation of Impurity Standard Solution for Chemical Analysis of Inorganic Chemical Products HG/T 3696.2 HG/T 3696.3 Preparation of chemical and analytical preparations for inorganic chemical products

3 method summary

The sample was dissolved in water and the citric acid solution was added. At the atomic absorption spectrometer wavelength of 422.71 nm, the air-acetylene flame, Into the method for determination.

4 safety tips

Some of the reagents used in this test method are toxic and corrosive, and the operator must be careful! Such as splashing on the skin should be used immediately Water rinse, severe should be treated immediately.

5 General provisions

The reagents and water used in this section, when not specified, refer to the analytical reagent and the secondary grade specified in GB/T 6682-2008 water. The standard solutions, preparations and articles used in the tests shall be classified according to HG/T 3696.2, HG/T 3696.3 when no other requirements are specified The provisions of the preparation.

6 reagent

6.1 citric acid solution..200 g/L Weigh 100 g of citric acid and place it in a 1000 mL beaker. Add.200mL water dissolved, diluted to 500mL, with hydrogen type cation exchange Resin purification. 6.2 Calcium standard solution. 1mL solution containing calcium (Ca) 0.010mg Transfer 1.00 mL of the calcium standard solution prepared with HG/T 3696.2 in a 100 mL volumetric flask and dilute with water Scale, shake. The solution is now used. 7 equipment, equipment Atomic Absorption Spectrometer. with a calcium hollow cathode lamp.

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