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GB/T 14326-2009 English PDF

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GB/T 14326-2009: Determination of carbon disulfide content in benzene
Status: Valid

GB/T 14326: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
GB/T 14326-2009English149 Add to Cart 2 days [Need to translate] Determination of carbon disulfide content in benzene Valid GB/T 14326-2009
GB/T 14326-1993English199 Add to Cart 2 days [Need to translate] Determination of carbon disulfide content in benzene Obsolete GB/T 14326-1993

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Basic data

Standard ID GB/T 14326-2009 (GB/T14326-2009)
Description (Translated English) Determination of carbon disulfide content in benzene
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard G17
Classification of International Standard 71.080.15
Word Count Estimation 5,542
Date of Issue 2009-07-08
Date of Implementation 2010-04-01
Older Standard (superseded by this standard) GB/T 14326-1993
Quoted Standard GB/T 684; GB/T 690; GB/T 1999; GB/T 8170; GB/T 9977; HG/T 3486; YB/T 5155
Regulation (derived from) National Standard Approval Announcement 2009 No.9 (Total No.149)
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 principles of benzene carbon disulfide content determination, reagents, instrument, sampling, trial preparation, test procedures and test errors. This standard applies to the determination of the content of benzene in carbon disulfide.

GB/T 14326-2009: Determination of carbon disulfide content in benzene

---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.
Determination of carbon disulfide content in benzene ICS 71.080.15 G17 National Standards of People's Republic of China Replacing GB/T 14326-1993 Determination of carbon disulfide content in benzene Posted 2009-07-08 2010-04-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

This standard replaces GB/T 14326-1993 "Determination of benzene carbon disulfide content." This standard and GB/T 14326-1993 compared to the main changes are as follows. --- Increasing the normative references; --- Use of legal units of measurement. The standard proposed by China Iron and Steel Association. This standard is under the jurisdiction of the National Steel Standardization Technical Committee. This standard was drafted. Wuhan University of Science and Technology, Metallurgical Industry Information Standards Institute. The main drafters of this standard. Zhao Minlun, Ho Xuan-ming, Chen Xiaoxia, Zhang Shaochun, Sun Wei. This standard replaces the standards previously issued as follows. --- GB/T 14326-1993. Determination of carbon disulfide content in benzene

1 Scope

This standard specifies the principles of the benzene carbon disulfide content determination, reagents, apparatus, sampling, test preparation, test procedures and test errors. This standard applies to the determination of benzene content in carbon disulfide. Measurement range. content 0.0001g/100mL ~ 0.0006g/100mL Range benzene; also suitable for use as toluene or benzene carbon disulfide content was diluted to the range of benzene.

2 Normative references

The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard. GB/T 684 chemical reagent toluene GB/T 690 chemical reagent benzene GB/T 1999 coking oil products sampling methods GB/T 8170 repair value expressed about the rules and limit values \u200b\u200band judgment GB/T 9977 coking products term HG/T 3486 Chemicals diethylamine YB/T 5155 Determination of coking products General Principle 3 Benzene, carbon disulfide and diethylamine, the reaction of copper acetate orange diethyl dithiocarbamate copper, spectrophotometric Determination. Reaction equation is. CS2 + (C2H5) 2 → NH (C2H5) 2NCS2H (diethyl dithiocarbamate) 2 (C2H5) 2NCS2H + Cu (C2H3O2) → 2 [(C2H5) 2NCS2] 2Cu + 2CH3COOH

4 Reagents

4.1 Carbon disulfide. AR. 4.2 diethylamine. HG/T 3486 AR. 4.3 Benzene. GB/T 690 AR, the absorbance is not greater than 0.005. 4.4 Toluene. GB/T 684 AR, the absorbance is not greater than 0.005. Copper acetate 4.5. AR. 4.6 copper acetate solution. 0.03g of copper acetate was dissolved in 100mL anhydrous ethanol.

5 Instruments

5.1 Spectrophotometer. wavelength of 400nm ~ 700nm. 5.2 Cuvette. 1cm. 5.3 mill mouth cylinder. 50mL. Pipette 5.4. 1mL, 10mL, 25mL. 5.5 Buret. 5mL, 25mL.

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