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SN/T 1732.2-2014 English PDF

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Q: Should I purchase the latest version SN/T 1732.2-2014?

Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version SN/T 1732.2-2014 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 1732.2-2014: Pyrotechnic composition used for fireworks and firecracker. Part 2: Determination of bichromates content
Status: Valid

SN/T 1732.2: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
SN/T 1732.2-2014	159	Add to Cart	3 days	Pyrotechnic composition used for fireworks and firecracker. Part 2: Determination of bichromates content	Valid
SN/T 1732.2-2006	239	Add to Cart	2 days	Fireworks pyrotechnics - Part 2: Determination of dichromate	Obsolete

Similar standards

GB/T 3634.2 GB/T 3634.1 SN/T 1732.21 SN/T 1732.11 SN/T 1732.10

Basic data

Standard ID: SN/T 1732.2-2014 (SN/T1732.2-2014)
Description (Translated English): Pyrotechnic composition used for fireworks and firecracker. Part 2: Determination of bichromates content
Sector / Industry: Commodity Inspection Standard (Recommended)
Classification of Chinese Standard: G89
Classification of International Standard: 71.100.30
Word Count Estimation: 6,655
Date of Issue: 4/9/2014
Date of Implementation: 11/1/2014
Older Standard (superseded by this standard): SN/T 1732.2-2006
Quoted Standard: GB/T 601; GB/T 6682; GB/T 8170; GB/T 15813-1905
Regulation (derived from): State inspection certification (2014) 210
Issuing agency(ies): General Administration of Customs
Summary: This standard specifies the use of fireworks pyrotechnic determination of dichromate method. This standard applies to the determination of fireworks chromate content in heavy use pyrotechnics.

SN/T 1732.2-2014: Pyrotechnic composition used for fireworks and firecracker. Part 2: Determination of bichromates 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 2. Determination of bichromates content People's Republic of China Entry-Exit Inspection and Quarantine Standards Instead of the SN/T 1732.2-2006 Fireworks with pyrotechnic Part 2. Determination of dichromate content Part 2. Determinationofbichromatescontent 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 2. This section drafted in accordance with GB/T 1.1-2009 given rules. This section replaces the SN/T 1732.2-2006, major technical changes in addition to editorial changes outside as follows. --- Standard "Sample volume" from "about 5g" was changed to "about 2g ~ 5g". 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. Suppliers Jie Xiao rejuvenation, Wu Junyi. This part of the standard replaces the previous editions are. --- SN/T 1732.2-2006. Fireworks with pyrotechnic Part 2. Determination of dichromate 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 provisions of this part of the fireworks pyrotechnic method of determination of dichromate. This section applies to the determination of the chromate content reuse pyrotechnic fireworks medicament.

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 repair value expressed about the rules and limit values and judgment GB/T 15813-1995 Fireworks forming agent sample separation and crushing Principle 3 After the pretreatment of the sample, dissolved in hot water and filtered to obtain a filtrate and filter residue of two parts; the filtrate after the elimination of the interfering ions with thiosulfate Sodium standard solution titration titration to the solution from the black mutant bright green; residue was dissolved with sodium hydroxide and EDTA with sodium thiosulfate standard Titration solution was titrated to black mutation purple, two-part determination dichromate and content of the test compound is dichromate content.

4 Scheme

Cr2O2-7 14H 6I- = 2Cr3 3I2 7H2O I2 2S2O2-3 = 2I- S4O2-6 Cr2O2-7 2H2O ⇌ 2HCrO-4 ⇌ 2CrO2-4 2H Ba2 (Pb2) CrO2-4 = BaCrO4 (PbCrO4) ↓ BaCrO4 H2Y2- OH- = BaY2- CrO2-4 H2O PbCrO4 H2Y2- OH- = PbY2- CrO2-4 H2O

5 Reagents

Unless otherwise indicated in the analysis using only confirm at least three water analytical grade reagents and GB/T 6682 stipulated. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of SN/T 1732.2-2014_English be delivered?

Answer: Upon your order, we will start to translate SN/T 1732.2-2014_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 1732.2-2014_English with my colleagues?

Answer: Yes. The purchased PDF of SN/T 1732.2-2014_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 1732.2-2014?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version SN/T 1732.2-2014 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.