SN/T 3056.12-2011Determination of essential parameters of chemical raw materials for use in fireworks and firecrackers. Part 12: Barium nitrate (English PDF)

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 12.

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 barium nitrate, barium content, determination of nitrate content of strontium Determination square measuring method combined amount of calcium, iron content determination, Determination of insoluble matter, determination of moisture, chloride content Determination method, determination of pH, moisture absorption rate, the determination of fineness.

This section applies to fireworks used in barium content of barium nitrate was measured for nitrate content was measured strontium calcium combined amount of iron content Determination, Determination of water insoluble, moisture determination, of chloride content, pH measurement, the 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 GB/T 3051-2000 inorganic chemical products Determination of mercury chloride General Method 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