SN/T 0542-2010 English PDF

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
SN/T 0542-2010	199	Add to Cart	2 days	Test method for determination of quinoline-insoluble (QI) content in exported coal tar	Obsolete
SN/T 0542-1996	199	Add to Cart	2 days	Test method for determination of quinoline-insoluble (QI)content in exported coal tar	Obsolete

Similar standards

GB/T 2293   GB/T 1816   GB/T 2292   SN/T 732.12   SN/T 4024   SN/T 700   

Basic data

Standard ID: SN/T 0542-2010 (SN/T0542-2010)
Description (Translated English): Test method for determination of quinoline-insoluble (QI) content in exported coal tar
Sector / Industry: Commodity Inspection Standard (Recommended)
Classification of Chinese Standard: G18
Word Count Estimation: 5,534
Date of Issue: 2010-11-01
Date of Implementation: 2011-05-01
Older Standard (superseded by this standard): SN/T 0542-1996
Quoted Standard: GB/T 2288
Regulation (derived from): National Quality Inspection (2010) 582
Issuing agency(ies): General Administration of Customs
Summary: This standard specifies the use of filtration method for the determination of export coal tar quinoline insolubles content. This standard applies to exports of coal tar quinoline insolubles determination.

SN/T 0542-2010: Test method for determination of quinoline-insoluble (QI) content in exported coal tar

---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.
Test method for determination of quinoline-insoluble (QI) content in exported coal tar People's Republic of China Entry-Exit Inspection and Quarantine Standards Instead of the SN/T 0542-1996 Determination of export coal tar quinoline insolubles Determinationofquinoline-insoluble (QI) Issued on. 2010-11-01 2011-05-01 implementation People's Republic of China The State Administration of Quality Supervision, Inspection and Quarantine released

Foreword

Instead of the standard SN/T 0542-1996 "Determination of export quinoline insoluble tar." This standard SN/T 0542-1996 basis, according to GB/T 1.1-2009 "Standardization Guide Part 1. Standard knot Structure and write rules "revision compared with the SN/T 0542-1996 The main changes are as follows. --- Standard name "export coal tar determination quinoline insolubles" to "Determination of export coal tar quinoline insolubles" (The 1996 version of the cover title and text of the title, cover title Excerpts from the text of the title). --- "Reference standard" to "normative references" (1996 edition Chapter 2, Section 2 of this edition). --- "Instruments and reagents" to "agent" and "instruments and equipment" to be expressed in two terms (1996 Edition Chapter 4, the first edition Chapter 54 and Chapter). This standard is proposed and managed by the National Certification and Accreditation Administration Committee. This standard is drafted by. People's Republic of China Liaoning Province Exit Inspection and Quarantine. The main drafters of this standard. Mouming Ren, Li Bai Ge, Chen Xinyue, Sunyan Wei, Liu famous, Bailing, Liu Ran, Zhao Xuerong, right Xing, Dong Weifeng. Determination of export coal tar quinoline insolubles

1 Scope

This standard specifies the determination of export coal tar quinoline insolubles content filtration method. This standard is applicable to the determination of export coal tar quinoline insolubles in.

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, undated references, the latest edition (including any amendments) applies to this document. GB/T 2288 coking products Determination of moisture content

3 Method summary

Certain quality coal tar sample was dissolved in hot quinoline, filtered, dried and weighed to calculate the content of insolubles in mass fraction FIG.

4 Reagents

4.1 quinoline, AR. 4.2 toluene, AR. 4.3 acetone, AR. 4.4 hydrochloric acid. chemically pure, dubbed aqueous solution of 1.1. 4.5 diatomaceous earth. pure chemistry, particle diameter of about 0.125mm (120 mesh), and dried prior to testing 2h at 105 ℃ ± 1 ℃. Warning --- toxic and flammable reagents, the operation should isolate the source of fire and in a fume hood. 5. Apparatus 5.1 dryer. 5.2 pump. 1400r/min. 5.3 suction bottle. the volume of 1000mL. 5.4 glass beaker. the volume of 100mL, before the test and dried at 105 ℃ ± 1 ℃ to constant weight. 5.5 Analysis of balance. a sense of the amount of 0.1mg. 5.6 electric oven. 5.7 constant temperature water bath. bath temperature control 75 ℃ ± 5 ℃. 5.8 glass crucible filter (referred to as the filter). P7 (G4), the volume of 25mL ~ 40mL, prior to the test at 105 ℃ ± 1 ℃ dried to constant weight. Step 6 Analysis 6.1 Weigh about 1.0g dried diatomaceous earth, put a clean filter (5.8) and immediately weighed to the nearest 0.0001g. ......

Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of SN/T 0542-2010_English be delivered?

Answer: Upon your order, we will start to translate SN/T 0542-2010_English as soon as possible, and keep you informed of the progress. The lead time is typically in 9 seconds (download/delivered in 9 seconds). The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of SN/T 0542-2010_English with my colleagues?

Answer: Yes. The purchased PDF of SN/T 0542-2010_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 0542-2010?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version SN/T 0542-2010 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.