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SN/T 1732.10: Historical versions
| Std ID | Version | USD | Buy | Deliver [PDF] in | Title (Description) |
| SN/T 1732.10-2014 | English | 159 |
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Pyrotechnic composition used for fireworks and firecracker. Part 10: Determination of sulphur content
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| SN/T 1732.10-2006 | English | 199 |
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Pyrotechnic composition used for fireworks and firecracker—Part 10: Determination of sulphur content
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Basic data
| Standard ID | SN/T 1732.10-2014 (SN/T1732.10-2014) |
| Description (Translated English) | Pyrotechnic composition used for fireworks and firecracker. Part 10: Determination of sulphur content |
| Sector / Industry | Commodity Inspection Standard (Recommended) |
| Classification of Chinese Standard | G89 |
| Classification of International Standard | 71.100.30 |
| Word Count Estimation | 6,660 |
| Date of Issue | 4/9/2014 |
| Date of Implementation | 11/1/2014 |
| Older Standard (superseded by this standard) | SN/T 1732.10-2006 |
| Quoted Standard | GB/T 6682; GB/T 8170; GB/T 15813-1995 |
| Regulation (derived from) | State inspection certification (2014) 210 |
| Issuing agency(ies) | General Administration of Customs |
| Summary | This standard specifies the method to use fireworks pyrotechnic sulfur content determination. This standard applies to fireworks with pyrotechnic measuring not less than 1% sulfur content. |
SN/T 1732.10-2014: Pyrotechnic composition used for fireworks and firecracker. Part 10: Determination of sulphur content
---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.
Pyrotechnic composition used for fireworks and firecracker.Part 10. Determination of sulphur content
People's Republic of China Entry-Exit Inspection and Quarantine Standards
Instead of the SN/T 1732.10-2006
Fireworks with pyrotechnic
Determination of sulfur content. Part 10
Part 10. Determinationofsulphurcontent
Issued on. 2014-04-09
2014-11-01 implementation
People's Republic of China
The State Administration of Quality Supervision, Inspection and Quarantine released
Foreword
SN/T 1732 "with fireworks pyrotechnic" is divided into 13 parts.
--- Part 1. Determination of barium content;
--- Part 2. Determination of dichromate;
--- Part 3. Determination of zinc content;
--- Part 4. Determination of copper content;
--- Part 5. Determination of titanium content;
--- Part 6. Determination of strontium content;
--- Part 7. Determination of lead content;
--- Part 8. Determination of sodium content;
--- Part 9. Determination of magnesium content;
--- Part 10. Determination of sulfur content;
--- Part 11. Determination of potassium content;
--- Part 12. Determination of red phosphorus content;
--- Part 13. Determination of boric acid content.
This section SN/T 1732 Part 10.
This section drafted in accordance with GB/T 1.1-2009 given rules.
This section replaces the SN/T 1732.10-2006, main technical changes in addition to editorial changes outside as follows.
--- Standard "Sample volume" from "about 5g" was changed to "about 2g ~ 5g";
--- "Scope" increase applies to the determination of not less than 1% sulfur content below this content recommendation method of measuring instrument.
This section proposed and managed by the National Certification and Accreditation Administration Committee.
This section is drafted. Guangxi CIQ.
The main drafters of this section. Lee Chung, Xiao rejuvenation, Li Yiming.
This part of the standard replaces the previous editions are.
--- SN/T 1732.8-2006.
Fireworks with pyrotechnic
Determination of sulfur content. Part 10
Warning. Use of this standard shall have a person experiences regular laboratory work. This standard does not point out all possible security issues,
Users are responsible for the use of appropriate safety and health practices and to ensure compliance with the conditions of the relevant national laws. Pyrotechnic covered by this standard
Pharmacy is a flammable and explosive dangerous goods, the following is the most important safety regulations.
a) Preparation of the sample should have security measures carried out under conditions;
b) sample preparation and storage can not exceed the amount of security conditions allowed;
c) drying the sample should be safe explosion-proof oven, the drying temperature does not exceed 55 ℃.
1 Scope
SN/T 1732 This section specifies the method for the determination of sulfur content in pyrotechnic fireworks and firecrackers.
This section applies to fireworks with pyrotechnic measuring not less than 1% sulfur content.
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.
Laboratory use specifications and test methods GB/T 6682 Analysis
GB/T 8170 repair value expressed about the rules and limit values and judgment
GB/T 15813-1995 Fireworks forming agent sample separation and crushing
Principle 3
Sample after appropriate pretreatment with dilute hydrochloric acid to fully dissolve, filtered, and the filtration residue with concentrated nitric acid oxidation of sulfur to sulfuric acid, and then adding an excess of
Barium chloride solution, the final determination of the solution an excess of barium ions with EDTA complexometric titration, and thus calculate the sulfur content.
4 Scheme
Cu2 H2Y2- = CuY2- 2H
S 2HNO3 (conc.) = H2SO4 2NO ↑
Ba2 SO2-4 = BaSO4 ↓
Ba2 H2Y2- = BaY2- 2H
Al3 6F - = [AlF6] 3-
5 Reagents
Unless otherwise indicated in the analysis using only confirm at least three water analytical grade reagents and GB/T 6682 stipulated.
5.1 ethanol.
5.2 acetone.
5.3 hydrochloric acid.
...
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