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GB/T 22781-2008 English PDF

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GB/T 22781-2008: Determination of essential parameters of titanium powder for use in fireworks and firecrackers
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Basic data

Standard ID GB/T 22781-2008 (GB/T22781-2008)
Description (Translated English) Determination of essential parameters of titanium powder for use in fireworks and firecrackers
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard Y88
Classification of International Standard 71.100.30
Word Count Estimation 10,197
Date of Issue 2008-12-30
Date of Implementation 2009-09-01
Quoted Standard GB/T 601; GB/T 3049; GB/T 6003.1; GB/T 6003.2; GB/T 6003.3; GB/T 6005; GB/T 6682; GB/T 8170
Regulation (derived from) National Standard Approval Announcement 2008 No.24 (Total No.137)
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 applies to fireworks titanium powder with hydrochloric acid insoluble matter, moisture content, granularity, purity, aluminum content and iron content in the side set.

GB/T 22781-2008: Determination of essential parameters of titanium powder for use in fireworks and firecrackers


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Determination of essential parameters of titanium powder for use in fireworks and firecrackers ICS 71.100.30 Y88 National Standards of People's Republic of China Determination of fireworks with titanium powder key indicators Posted 2008-12-30 2009-09-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

The standard proposed by China National Light Industry Council. This standard by the National Standardization Technical Committee of fireworks. This standard was drafted. Guangxi CIQ fireworks testing center. The main drafters of this standard. Shaw rejuvenation, Wu Junyi, business Jie, Yan Jiakun. Determination of fireworks with titanium powder key indicators

1 Scope

This standard specifies the determination of fireworks with titanium powder in hydrochloric acid insoluble matter content, moisture content, particle size, purity, content of aluminum and iron content method. This standard applies to fireworks with titanium powder in hydrochloric acid Determination of insoluble matter content, moisture content, particle size, purity, content of aluminum and iron content.

2 Normative references

The following documents contain provisions which, through reference in this standard to become the standard terms. For dated references, all subsequent Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to study under this agreement is standard Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard. Preparation of GB/T 601 chemical reagent standard titration solution General Method GB/T 3049 Industrial chemicals determination of iron content 1,10 Philippines  spectrophotometry method (GB/T 3049- 2006, ISO 6685. 1982, IDT) GB/T 6003.1 woven wire mesh test sieve (GB/T 6003.1-1997, ISO 3310-1.1990, NEQ) GB/T 6003.2 Test sieves of perforated metal plate (GB/T 6003.2-1997, ISO 3310-2.1990, NEQ) GB/T 6003.3 electroformed sheet test sieve (GB/T 6003.1-1999, ISO 3310-3.1990, NEQ) GB/T 6005 Test sieves - Metal wire cloth, perforated plate, electrical sheet - basic mesh size (GB/T 6005-1997, ISO 565.1990, NEQ) GB/T 6682 analytical laboratory use specifications and test methods (GB/T 6682-2008, ISO 3696. 1987, MOD) GB/T 8170 repair value expressed about the rules and limit values \u200b\u200band judgment

3 Determination

3.1 drying the sample The sample was dried at 105 ℃ 3h, into the dryer to cool reserve. After drying the sample project water supply points other than the use of detection. 3.2 Determination of hydrochloric acid insoluble content 3.2.1 Principle After the sample is dissolved hydrochloric acid by filtration, dried insolubles, call quality. 3.2.2 Reagents Unless otherwise indicated in the analysis using only confirm at least three water analytical grade reagents and GB/T 6682 stipulated. Hydrochloric acid (1 + 1). 3.2.3 Instruments Usual laboratory equipment and the following devices. 3.2.3.1 Drying oven. Controlled temperature 105 ℃ ± 2 ℃. 3.2.3.2 Analytical balance. accuracy of 0.1mg. 3.2.3.3 4 emery core Crucible. volume of 30mL. Hydrochloric acid test crucible before soaking 24h, after washed with water until neutral, dried at 105 ℃ Dry 3h, removed, placed in a desiccator, cooled to room temperature and set aside. 3.2.3.4 filtration device. 3.2.3.5 dryer.

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