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GB/T 17530.3-1998 English PDF (GBT17530.3-1998)

GB/T 17530.3-1998 English PDF (GBT17530.3-1998)

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GB/T 17530.3-1998: Acrylic acid and acrylate esters for industrial use-Determination of color

This standard specifies the method for the determination of the color of acrylic acid and acrylate esters for industrial use. This standard applies to the colorimetric determination of acrylic acid and acrylate esters products for industrial use.
GB/T 17530.3-1998
NATIONAL STANDARD OF THE
PEOPLE REPUBLIC OF CHINA
Acrylic acid and acrylate esters for industrial use -
Determination of color
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 Instruments ... 4
5 Reagents ... 4
6 Measurement steps ... 6
Acrylic acid and acrylate esters for industrial use -
Determination of color
1 Scope
This standard specifies the method for the determination of the color of acrylic acid and acrylate esters for industrial use.
This standard applies to the colorimetric determination of acrylic acid and 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 6682-1992 Water for laboratory use - Specifications
3 Summary of method
Visually compare the chromaticity of the specimen with the chromaticity of the uranium-cobalt standard solution. Express the measurement results, in Hazen units (uranium-cobalt scale).
4 Instruments
4.1 Spectrophotometer: For measuring liquid samples, in the visible light zone. 4.2 Cuvette: 1 cm.
4.3 Colorimetric tube: 100 mL.
5 Reagents
The reagents, which are used in this standard, are analytical pure reagents, unless otherwise specified.

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