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SN/T 1732.4-2014 English PDF

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Q: Should I purchase the latest version SN/T 1732.4-2014?

Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version SN/T 1732.4-2014 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.

US$159.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
SN/T 1732.4-2014: Pyrotechnic composition used for fireworks and firecracker. Part 4: Determination of copper content
Status: Valid

SN/T 1732.4: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
SN/T 1732.4-2014	159	Add to Cart	3 days	Pyrotechnic composition used for fireworks and firecracker. Part 4: Determination of copper content	Valid
SN/T 1732.4-2006	239	Add to Cart	2 days	The fireworks fireworks Pharmacy Part 4: Determination of copper content	Obsolete

Similar standards

GB/T 3634.2 GB/T 3634.1 SN/T 1732.24 SN/T 1732.11 SN/T 1732.10

Basic data

Standard ID: SN/T 1732.4-2014 (SN/T1732.4-2014)
Description (Translated English): Pyrotechnic composition used for fireworks and firecracker. Part 4: Determination of copper content
Sector / Industry: Commodity Inspection Standard (Recommended)
Classification of Chinese Standard: G89
Classification of International Standard: 71.100.30
Word Count Estimation: 6,617
Date of Issue: 4/9/2014
Date of Implementation: 11/1/2014
Older Standard (superseded by this standard): SN/T 1732.4-2006
Quoted Standard: GB/T 601; 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 copper content determination. This standard applies to pyrotechnic fireworks with greater than 1% copper content determination.

SN/T 1732.4-2014: Pyrotechnic composition used for fireworks and firecracker. Part 4: Determination of copper 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 4. Determination of copper content People's Republic of China Entry-Exit Inspection and Quarantine Standards Instead of the SN/T 1732.4-2006 Fireworks with pyrotechnic Part 4. Determination of copper content Part 4. Determinationofcoppercontent 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 4. This section drafted in accordance with the rules of GB/T 1.1-2009 and GB/T 20001.4-2001 given. The partial replacement of SN/T 1732.4-2006 "with fireworks Pyrotechnic Part 4. Determination of copper content", in addition to editorial modifications Outside the main technical changes are as follows. --- In the foreword of the provisions, the increase in the standard preparation of the drafting of the rules are based; --- Modify the "Normative references" in the introductory phrase (see Chapter 2); --- Modify the scope of this section will be applicable from the scope "This section applies to fireworks copper content measured by pyrotechnics Set "to" This section applies to pyrotechnic fireworks with greater than 1% copper content determination "(see Chapter 1); --- Combined principle and reaction section; --- Modify the sample size, the "Weigh about 5g sample" to "Weigh about 2g ~ 5g sample" (see 7.1). This section proposed and managed by the National Certification and Accreditation Administration Committee. This section is drafted. North Exit Inspection and Quarantine. The main drafters of this section. Shaw rejuvenation, Wu Junyi, Yanjia Kun. This part of the standard replaces the previous editions are. --- SN/T 1732.4-2006. Fireworks with pyrotechnic Part 4. Determination of copper content 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 provides a method of fireworks with pyrotechnic copper content determination. This section applies to pyrotechnic fireworks with greater than 1% copper content determination.

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 Laboratory use specifications and test methods GB/T 6682 Analysis GB/T 8170 numerical rounding rules GB/T 15813-1995 Fireworks forming agent sample separation and crushing Principle 3 Sample after pretreatment with a dilute nitric acid fully dissolved, filtered, pH value of the solution to debug, add the precipitating agent and the test solution of concentrated aqueous ammonia Cupric ions separated, disodium edetate (EDTA) complexometric titration under the conditions pH10.0 PAN [1- (2- pyridyl even Nitrogen) -2-naphthol] is indicator solution, titration with copper sulfate standard solution titration test solution from yellow to blue is the endpoint. Cu2 2OH- = Cu (OH) 2 ↓ Cu (OH) 2 4NH3 = [Cu (NH3) 4] 2 2OH- Cu2 H2Y2- = CuY2- 2H

4 Reagents

Unless otherwise indicated in the analysis using only confirm at least three water analytical grade reagents and GB/T 6682 stipulated. 4.1 ethanol. 4.2 acetone. 4.3 ammonia. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of SN/T 1732.4-2014_English be delivered?

Answer: Upon your order, we will start to translate SN/T 1732.4-2014_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 SN/T 1732.4-2014_English with my colleagues?

Answer: Yes. The purchased PDF of SN/T 1732.4-2014_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.

Question 5: Should I purchase the latest version SN/T 1732.4-2014?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version SN/T 1732.4-2014 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.