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GB/T 684-2023 English PDF

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Q: Should I purchase the latest version GB/T 684-2023?

Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 684-2023 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$189.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 684-2023: Chemical reagent - Toluene
Status: Valid

GB/T 684: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 684-2023	189	Add to Cart	3 days	Chemical reagent - Toluene	Valid
GB/T 684-1999	239	Add to Cart	2 days	Chemical reagent. Toluene	Obsolete
GB/T 684-1986	RFQ	ASK	3 days	Chemical reagents--Toluene	Obsolete

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GB/T 678 GB/T 15478 GB/T 687 GB/T 693

Basic data

Standard ID: GB/T 684-2023 (GB/T684-2023)
Description (Translated English): Chemical reagent - Toluene
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: G63
Classification of International Standard: 71.040.30
Word Count Estimation: 10,157
Date of Issue: 2023-08-06
Date of Implementation: 2024-03-01
Older Standard (superseded by this standard): GB/T 684-1999
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 684-2023: Chemical reagent - Toluene

---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.
ICS 71.040.30 CCSG63 National Standards of People's Republic of China Replace GB/T 684-1999 chemical reagent toluene Part 2.Specifications-Firstseries,NEQ) Published on 2023-08-06 2024-03-01 Implementation State Administration for Market Regulation Released by the National Standardization Administration Committee

Foreword

This document complies with the provisions of GB/T 1.1-2020 "Standardization Work Guidelines Part 1.Structure and Drafting Rules of Standardization Documents" Drafting. This document replaces GB/T 684-1999 "Chemical Reagent Toluene". Compared with GB/T 684-1999, except for structural adjustment and editing In addition to the modifications, the main technical changes are as follows. ---Added liquid chromatography purity grade, technical requirements, and determination methods (see Chapter 5 and Chapter 6); ---The units of acidity and alkalinity have been changed from "mmol/100g" to "mmol/g" (see Chapter 5, Chapter 4 of the.1999 edition); ---Changed the determination method of toluene (see 6.2, 5.1 of the.1999 edition); ---Determination method of vibrating liquid density meter with increased density (see 6.4); ---Changed the packaging and logo (see Chapter 8, Chapter 7 of the.1999 edition). This document is drafted with reference to ISO 6353-2.1983 "Chemical Analysis Reagents Part 2.Specifications Series 1", and the degree of consistency is not Equivalent. Please note that some content in this document may be subject to patents. The publisher of this document assumes no responsibility for identifying patents. This document is proposed by China Petroleum and Chemical Industry Federation. This document is under the jurisdiction of the Chemical Reagents Sub-Technical Committee of the National Chemical Standardization Technical Committee (SAC/TC63/SC3). This document was drafted by. Jiangsu Qiangsheng Functional Chemical Co., Ltd., Anhui Shilian Special Solvents Co., Ltd., Beijing Chemical Laboratory Chemical Research Institute Co., Ltd., Changshu Binjiang Chemical Co., Ltd. The main drafters of this document. Zhou Yi, Ying Li, Fang Ping, Chen Xiaolan, Zhao Jifei, Wang Yuhua, Han Baoying, Gu Jianfeng, Gui Xianghong, He Ling. This document was first published in 1965, revised for the first time in 1978, revised for the second time in 1986, and revised for the third time in.1999.This time it is Fourth revision. chemical reagent toluene Warning. Some test procedures specified in this document may lead to hazardous situations, and the user is responsible for taking appropriate safety and health measures.

1 Scope

This document specifies the properties, technical requirements, test methods, inspection rules, packaging and marking of the chemical reagent toluene. This document applies to the inspection of the chemical reagent toluene. Note. The chemical reagent toluene has the chemical formula C6H5CH3, a relative molecular mass of 92.14 (according to the 2022 international relative atomic mass), and a CAS number of 108- 88-3.

2 Normative reference documents

The contents of the following documents constitute essential provisions of this document through normative references in the text. Among them, the dated quotations For undated referenced documents, only the version corresponding to that date applies to this document; for undated referenced documents, the latest version (including all amendments) applies to this document. GB/T 601 Preparation of chemical reagent standard titration solution GB/T 602 Preparation of standard solutions for determination of impurities in chemical reagents GB/T 603 Preparation of preparations and products used in chemical reagent test methods GB/T 605 General method for colorimetric determination of chemical reagents GB/T 606 General method for determination of moisture content of chemical reagents. Karl Fischer method GB/T 611-2021 General method for density determination of chemical reagents GB/T 6682 Specifications and test methods for water used in analytical laboratories GB/T 9721-2006 General rules for molecular absorption spectrophotometry of chemical reagents (ultraviolet and visible light parts) GB/T 9722-2006 General rules for gas chromatography with chemical reagents GB/T 9728 General method for determination of chemical reagent sulfate GB/T 9736-2008 General method for determination of acidity and alkalinity of chemical reagents GB/T 9737-2008 General rules for determination of substances easily carbonized by chemical reagents GB/T 9740 General method for determination of chemical reagent evaporation residues GB 15258 Regulations on Preparing Chemical Safety Labels GB 15346 Chemical reagent packaging and marking HG/T 3921 Chemical reagent sampling and acceptance rules

3 Terms and definitions

There are no terms or definitions to be defined in this document.

4 traits

Toluene is a colorless and transparent liquid, insoluble in water, miscible with organic solvents such as ethanol, ether, and chloroform, and is flammable. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 684-2023_English be delivered?

Answer: Upon your order, we will start to translate GB/T 684-2023_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 684-2023_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 684-2023_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 GB/T 684-2023?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 684-2023 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.