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SN/T 1731.11-2014 English PDF

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US$209.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
SN/T 1731.11-2014: Safety performance test for Pyrotechnic composition used for export fireworks and firecracker. Part 11: Determination of pH
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
SN/T 1731.11-2014	209	Add to Cart	3 days	Safety performance test for Pyrotechnic composition used for export fireworks and firecracker. Part 11: Determination of pH	Valid

Similar standards

GB/T 3634.2 GB/T 3634.1 SN/T 1731.2 SN/T 1731.12 SN/T 1731.10

Basic data

Standard ID: SN/T 1731.11-2014 (SN/T1731.11-2014)
Description (Translated English): Safety performance test for Pyrotechnic composition used for export fireworks and firecracker. Part 11: Determination of pH
Sector / Industry: Commodity Inspection Standard (Recommended)
Classification of Chinese Standard: G89
Classification of International Standard: 71.100.30
Word Count Estimation: 8,845
Date of Issue: 4/9/2014
Date of Implementation: 11/1/2014
Quoted Standard: GB/T 6682; GB 6853; GB 6856; GB 6858; GB 10631; GB/T 15813; JJG 119-2005; GB 6857
Regulation (derived from): State inspection certification (2014) 210
Issuing agency(ies): General Administration of Customs
Summary: This standard specifies the use of fireworks pyrotechnic pH value required for testing equipment, materials, test procedure and evaluation of results. This standard applies to pyrotechnic fireworks with a pH test.

SN/T 1731.11-2014: Safety performance test for Pyrotechnic composition used for export fireworks and firecracker. Part 11: Determination of pH

---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.
(Exports of fireworks with pyrotechnic safety performance test methods - Part 11. pH value measurement method) People's Republic of China Entry-Exit Inspection and Quarantine Standards Export fireworks with pyrotechnic safety performance Test methods Part 11. pH value measurement method fireworksandfirecracker-Part 11. DeterminationofpH 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 1731 "export fireworks with pyrotechnic safety performance test methods" is divided into 12 parts. --- Part 1. General; Part --- Article 2. 75 ℃ determination of thermal stability; --- Part 3. Determination of flashpoint; --- Part 4. Disable restricted drugs qualitative analysis; --- Part 5. Determination of impact sensitivity; --- Part 6. Determination of friction sensitivity; --- Part 7. Determination of moisture; --- Part 8. Determination of ignition temperature; --- Part 9. Fire sensitivity test methods; --- Part 10. electrostatic spark sensitivity test methods; --- Part 11. pH value measurement method; --- Part 12. Time - Pressure test methods. This section SN/T 1731 Part 11. This section drafted in accordance with GB/T 1.1-2009 given rules. This section proposed and managed by the National Certification and Accreditation Administration Committee. This section was drafted by. People's Republic of China Hunan Entry-Exit-Entry Inspection and Jiangxi People's Republic of China Quarantine Bureau. The main drafters of this section. Zhang Guanghui, Tanai Xi, Gong Fei, Ding Lan, Wu Jinsong, Jiang Ming put Jiang into capital. Export fireworks with pyrotechnic safety performance Test methods Part 11. pH value measurement method

1 Scope

SN/T 1731 This section provides agents with a pH value fireworks pyrotechnics required test equipment, materials, test procedure and results assessment. This section applies to the test with fireworks pyrotechnic pH.

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 6853 pH reference reagent potassium dihydrogen phosphate GB 6856 pH reference reagents sodium tetraborate GB 6857 pH reference reagent potassium hydrogen phthalate GB 6858 pH reference reagent potassium bitartrate GB 10631 fireworks safety and quality GB/T 15813 fireworks forming agent sample separation and crushing JJG119-2005 Laboratory pH (acidity) meter

3 PRINCIPLE OF THE METHOD

The predetermined indicator electrode and the reference electrode immersed in the same test solution constituting primary battery, pH value of the solution electromotive force is related to PH of the solution can be obtained by measuring the electromotive force of the original.

4 Reagents and buffer solution

4.1 Reagents The reagents used are as follows. a) Water. GB/T 6682 provisions tertiary water; b) potassium hydrogen tartrate. comply with the relevant provisions of GB 6858; c) of potassium hydrogen phthalate. 6857 in line with the relevant provisions of GB; d) potassium dihydrogen phosphate. in line with the relevant provisions of GB 6853; e) disodium hydrogen phosphate. AR; f) sodium tetraborate. comply with the relevant provisions of GB 6856. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of SN/T 1731.11-2014_English be delivered?

Answer: Upon your order, we will start to translate SN/T 1731.11-2014_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 1731.11-2014_English with my colleagues?

Answer: Yes. The purchased PDF of SN/T 1731.11-2014_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.