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GB/T 22787-2008 English PDF

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US$279.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 22787-2008: Determination of essential parameters of cryolite for use in fireworks and firecrackers
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 22787-2008	279	Add to Cart	3 days	Determination of essential parameters of cryolite for use in fireworks and firecrackers	Valid

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Basic data

Standard ID: GB/T 22787-2008 (GB/T22787-2008)
Description (Translated English): Determination of essential parameters of cryolite 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: 12,178
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 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 specifies the use of fireworks cryolite sulfuric acid insoluble content, moisture content, absorption rate, fineness, aluminum content, iron content and the active ingredient (sodium content) measurement method. This standard applies to fireworks with cryolite sulfuric acid insoluble matter, moisture content, absorption rate, fineness, Determination of iron content and the active ingredient (sodium content), aluminum content.

GB/T 22787-2008: Determination of essential parameters of cryolite for use in fireworks and firecrackers

---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.
Determination of essential parameters of cryolite for use in fireworks and firecrackers ICS 71.100.30 Y88 National Standards of People's Republic of China Fireworks and firecrackers - Determination of cryolite 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

Appendix A of this standard is an informative annex. 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. Suppliers Jie, Wu Junyi, Li Yiming and Xiao rejuvenation. Fireworks and firecrackers - Determination of cryolite key indicators

1 Scope

This standard specifies the fireworks with sulfuric acid insoluble content cryolite, moisture content, moisture absorption, fineness, aluminum content, iron content and has Active ingredient (sodium content) measurement method. This standard applies to fireworks insoluble content, moisture content, moisture absorption, fineness, content of aluminum, iron sulfate content by cryolite and effective Ingredient (sodium content) determination.

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, neq ISO 3310-1.1990) 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. In addition to water samples for fineness items seized after drying Measured use. 3.2 Determination of acid insoluble content 3.2.1 Principle After the sample was dissolved with sulfuric acid by filtration, dried and insoluble matter was weighed. 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. 3.2.2.1 sulfuric acid. 3.2.2.2 sulfuric acid (1 + 4). 3.2.2.3 barium chloride solution (10%). 3.2.3 Instruments Conventional laboratory equipment and instruments 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 Teflon beaker, 500mL. 3.2.3.4 Teflon rods, 10cm. 3.2.3.5 4 emery core Crucible. volume of 30mL. After washing with dilute sulfuric acid sufficient suction, then washed with water, dried 3h at 105 deg.] C, After cooling spare. 3.2.3.6 dryer. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 22787-2008_English be delivered?

Answer: Upon your order, we will start to translate GB/T 22787-2008_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of GB/T 22787-2008_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 22787-2008_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Question 3: Does the price include tax/VAT?

Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countries

Question 4: Do you accept my currency other than USD?

Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.