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GB/T 17530.4-1998 PDF English


Search result: GB/T 17530.4-1998 English: PDF (GB/T17530.4-1998)
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GB/T 17530.4-1998English105 Add to Cart 0-9 seconds. Auto-delivery. Acrylate esters for industrial use. Determination of acidity
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GB/T 17530.4-1998: PDF in English (GBT 17530.4-1998)

GB/T 17530.4-1998 NATIONAL STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA Acrylate esters for industrial use - Determination of acidity APPROVED ON: NOVEMBER 04, 1998 IMPLEMENTED ON: JUNE 01, 1999 Issued by: State Quality and Technology Supervision Bureau Table of Contents Foreword ... 3  1 Scope ... 4  2 Normative references ... 4  3 Summary of method ... 4  4 Reagents ... 4  5 Instruments ... 5  6 Measurement steps ... 5  7 Calculation of analysis results ... 5  Acrylate esters for industrial use - Determination of acidity 1 Scope This standard specifies the method for the determination of the acidity of acrylate esters for industrial use. This standard applies to the acidity determination of acrylate esters products for industrial use. 2 Normative references The provisions in following documents become the provisions of this Standard through reference in this Standard. The versions indicated at the time of publication of this standard are valid. All standards are subjected to revision, AND parties who reach an agreement based on this Standard are encouraged to study if the latest versions of these documents are applicable. GB/T 601-1998 Chemical reagent - Preparations of standard volumetric solutions GB/T 603-1998 Chemical reagent - Preparations of reagent solutions for use in test methods GB/T 6682-1992 Water for laboratory use - Specifications 3 Summary of method The sample is mixed with an equal volume of ethanol and titrated with standard sodium hydroxide solution, using phenol as an indicator. 4 Reagents The reagents and water, which hare used in this standard, use analytical reagents and grade-3 water in GB/T 6682, unless otherwise specified. The standard solutions, preparations, products, which are used in this standard, shall be prepared in accordance with GB/T 601 and GB/T 603, unless otherwise specified. 4.1 Ethanol. 4.2 Standard titration solution of sodium hydroxide: c(NaOH) = 0.05 mol/L. ......
 
Source: Above contents are excerpted from the PDF -- translated/reviewed by: www.chinesestandard.net / Wayne Zheng et al.