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SN/T 3056.8-2011Determination of essential parameters of chemical raw materials for use in fireworks and firecrackers. Part 8: Potassium chlorate (English PDF)

烟花爆竹用化工原材料关键指标的测定第8部分：氯酸钾

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Issued by

General Administration of Customs

Level / Type

National · Recommended

Issue date

September 9, 2011

Implementation date

April 1, 2012

Scope

SN/T 3056.8-2011 is the English-translated version of 烟花爆竹用化工原材料关键指标的测定第8部分：氯酸钾.

SN/T 3056.8-2011 — SN/T 3056 provisions of this part of the fireworks used in the determination of potassium chlorate potassium chlorate purity, chloride content side , Determination of iron content, the content of bromate determination, of water-insoluble matter content, moisture content determination, pH value Measurement method, measurement method moisture absorption rate, the determination of fineness.

This section applies to fireworks used in the determination of potassium chlorate potassium chlorate purity Determination of chloride content, Determination of iron content, bromate Determination of content, determination of water-insoluble matter content, moisture content determination, Determination of pH, moisture absorption rate, the determination of fineness.

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Document preview — SN/T 3056.8-2011

National Standard of the People's Republic of China

Classification: Y 88

Issued by: General Administration of Customs

Foreword
1 Scope
2 Normative references
3.1 Drying the sample
3.2 Determination of water-insoluble content

Foreword

"Determination of fireworks with chemical raw materials key indicators" SN/T 3056 series of standards is divided into 15 parts.

--- Part 1. potassium hydrogen phthalate;

--- Part 2. sodium fluoride;

--- Part 3. Red Lead;

--- Part 4. basic copper carbonate;

--- Part 5. sulfur;

--- Part 6. strontium sulfate;

--- Part 7. copper sulfate;

--- Part 8. potassium chlorate;

--- Part 9. sodium bicarbonate;

--- Part 10. strontium carbonate;

--- Part 11. iron;

--- Part 12. barium nitrate;

--- Part 13. Silver nitrate;

--- Part 14. bismuth oxide;

--- Part 15. potassium dichromate.

This section SN/T 3056 Part 8.

This section drafted in accordance with GB/T 1.1-2009 given rules.

This section proposed and managed by the National Certification and Accreditation Administration Committee.

1 Scope

SN/T 3056 provisions of this part of the fireworks used in the determination of potassium chlorate potassium chlorate purity, chloride content side , Determination of iron content, the content of bromate determination, of water-insoluble matter content, moisture content determination, pH value Measurement method, measurement method moisture absorption rate, the determination of fineness.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein Member. For undated references, the latest edition (including any amendments) applies to this document.

Preparation of GB/T 601 chemical reagent standard titration solution General Method GB/T 3049 Industrial chemicals determination of iron content 1,10-phenanthroline spectrophotometry GB/T 6003.1 Test sieves of metal wire cloth Laboratory use specifications and test methods GB/T 6682 Analysis GB/T 8170 repair value expressed about the rules and limit values and judgment Test Method 3

3.1 Drying the sample

Sample at 105 °C ± 2 °C dried 3h, into the dryer to cool reserve. After drying the sample for the addition of water, fine givers items seized Measured by.

3.2 Determination of water-insoluble content

3.2.1 Principle

After the sample was dissolved in water, filtered, dried and insoluble matter was weighed.

3.2.2 Reagents

Aniline hydrochloride solution. Weigh about 5g aniline hydrochloride, hydrochloric acid dissolved in 50mL, stored in a brown bottle.

3.2.3 Instruments

3.2.3.1 Drying oven. Controlled temperature 105 °C ± 2 °C.

3.2.3.2 Analytical balance. accuracy of 0.1mg.

3.2.3.3 4 emery core Crucible. volume 30mL. After pumping water sufficiently washed, dried at 105 °C 3h, cooling backup.

3.2.3.4 filtration device set.

......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 8 pages — is available in the English PDF.

Referenced standards

Normative references

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