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GB/T 14305-2015 English PDF

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GB/T 14305-2015: Chemical reagent -- Cyclohexane
Status: Valid

GB/T 14305: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
GB/T 14305-2015English109 Add to Cart 3 days [Need to translate] Chemical reagent -- Cyclohexane Valid GB/T 14305-2015
GB/T 14305-1993English199 Add to Cart 3 days [Need to translate] Chemical reagent. Cyclohexane Obsolete GB/T 14305-1993

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Basic data

Standard ID GB/T 14305-2015 (GB/T14305-2015)
Description (Translated English) Chemical reagent -- Cyclohexane
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard G63
Classification of International Standard 71.040.30
Word Count Estimation 5,568
Date of Issue 2015-10-09
Date of Implementation 2016-05-01
Older Standard (superseded by this standard) GB/T 14305-1993
Quoted Standard GB/T 602; GB/T 603; GB/T 606; GB/T 611-2006; GB/T 618; GB/T 6682; GB/T 9722-2006; GB/T 9737; GB/T 9740; GB 15258; GB 15346; HG/T 3921
Adopted Standard ISO 6353-2-1983, NEQ
Regulation (derived from) National Standard Announcement 2015 No.31
Issuing agency(ies) General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary This standard specifies the chemical reagents cyclohexane traits, specifications, testing, packaging and inspection rules and signs. This standard applies to chemical agents cyclohexane test.

GB/T 14305-2015: Chemical reagent -- Cyclohexane

---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.
Chemical reagent - Cyclohexane ICS 71.040.30 G63 National Standards of People's Republic of China Replacing GB/T 14305-1993 Chemicals cyclohexane (ISO 6353-2. 1983, Reagentsforchemicalanalysis- Part 2. Specifications-Firstseries, NEQ) Issued on. 2015-10-09 2016-05-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

This standard was drafted in accordance with GB/T 1.1-2009 given rules. This standard replaces GB/T 14305-1993 "Chemicals cyclohexane", compared with the GB/T 14305-1993 major technological changes as follows. --- Analytical content specification from the "99.5%" to "99.7%", chemically pure size from the "99.0%" to "99.5%" (see para. 4, 1993, version 3.1); AR Specifications --- crystallization point by "5.5 ℃" raised to "6.0 ℃" (see Chapter 4, 1993 edition 3.3); Analytical specifications --- benzene by "0.05%" to "0.03%", chemically pure specifications from "0.1%" to "0.08%" (see para. 4, 1993 version 3.4); --- Moisture analytical specifications by the "0.02%" to "0.015%", chemically pure specifications by the "0.05%" to "0.03%" (see para. 4, 1993 version 3.4); --- Modify the method for the determination (see 52, 1993 version 4.1.); --- Modify the packaging and logo (see Chapter 7, Chapter 6, 1993 edition). The standard reference method using redrafted ISO 6353-2. 1983 "Reagents for chemical analysis - Part 2. Specification 1 Series" in R10 "Cyclohexane" preparation, and ISO 6353-2. 1983 is equivalent to the degree of non-conformity. The standard proposed by China Petroleum and Chemical Industry Association. This standard by the National Standardization Technical Committee Chemistry (SAC/TC63) centralized. This standard is drafted by. Jiangsu powerful function Chemie AG, Shanghai Chemical Reagent Co., Ltd. Shun strong. The main drafters of this standard. turn to red, should Yiu Chi. This standard was first published in March 1993, this is the first revision. Chemicals cyclohexane WARNING --- some of the test procedure specified in this standard can lead to dangerous situations, the user has the responsibility to take appropriate safety and health Measures.

1 Scope

This standard specifies the chemical reagents cyclohexane traits, specifications, testing, packaging and inspection rules and signs. This standard applies to chemical agents cyclohexane test. Molecular formula. C6H12 Molecular Weight. 84.16 (according to 2011 international relative atomic mass)

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 standard solution of GB/T 602 Determination of impurities in chemical reagents GB/T 603 chemical reagent in test methods - Preparations with GB/T 606 chemical reagent Moisture common method Karl Fischer method GB/T 611-2006 Chemical reagent - General method for determining the density GB/T 618 General method for determination of chemical reagents crystallization point Laboratory use specifications and test methods GB/T 6682 Analysis GB/T 9722-2006 General chemical reagent gas chromatography GB/T 9737 Determination of chemical reagents easily carbonized material General General method for the determination of residue GB/T 9740 Chemicals evaporation GB 15258 rules for preparation of chemical safety labels GB 15346 chemical reagent packaging and marking HG/T 3921 Chemicals sampling and acceptance rules

3 Characters

This reagent is colorless, flammable liquid. With ethanol, methanol, ether, benzene and carbon tetrachloride mixed, almost insoluble in water.

4 Specification

Cyclohexane as shown in Table 1.

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