GB/T 6324.6-2014 PDF English
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Test method of organic chemical products -- Part 6: Determination of liquid chroma -- Tristimulus colorimetry
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| GB/T 6324.6-1986 | English | 199 |
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Organic chemical products for industrial use--Determination of content of carbonyl compounds present in small amounts--Photometric method
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GB/T 6324.6-2014: PDF in English (GBT 6324.6-2014) GB/T 6324.6-2014
GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 71.080.01
G 17
Test method of organic chemical products -
Part 6. Determination of color for liquids -
Tristimulus colorimetry
ISSUED ON. DECEMBER 31, 2014
IMPLEMENTED ON. JULY 01, 2015
Issued by. General Administration of Quality Supervision, Inspection and
Quarantine;
Standardization Administration of the People's Republic of
China.
Table of Contents
Foreword ... 3
1 Scope ... 4
2 Normative references ... 4
3 General provisions ... 4
4 Method and principle ... 5
5 Instrument ... 5
6 Analysis steps ... 5
7 Allowable difference ... 6
Foreword
GB/T 6324 “Test method of organic chemical products” consists of the following
parts.
- Part 1. Water miscibility test of liquid organic chemical products;
- Part 2. Determination of dry residue after evaporation on a water bath for
volatile organic liquids;
- Part 3. Determination of permanganate-reducing substances;
- Part 4. Determination of trace sulfur in organic liquid products -
Microcoulometric method;
- Part 5. Determination of trace quantities of carbonyl compounds in organic
chemicals;
- Part 6. Determination of color for liquids - Tristimulus colorimetry;
- Part 7. Determination of molten color;
- Part 8. Determination of water of liquid products - Carl・Fischer coulometric
method.
This Part is Part 6 of GB/T 6324.
This Part was drafted in accordance with the rules given in GB/T 1.1-2009.
This Part was proposed by China Petroleum and Chemical Industry Federation.
This Part shall be under the jurisdiction of Subcommittee on Organic Chemicals
of National Technical Committee on Chemicals of Standardization
Administration of China (SAC/TC 63/SC 2).
The drafting organizations of this Part. China Petroleum & Chemical
Corporation Beijing Research Institute of Chemical Industry, Ningbo Zhenhai
Refining & Chemical Co., Ltd., Jiangsu Tianyin Chemical Co., Ltd.
Participants of this Part. Shanghai Yun Ding International Trade Co., Ltd.,
Baichuan Chemical (Ru Gao) Co., Ltd., Nantong Xingchen Synthetic Material
Co., Ltd., Dana (Nanjing) Chemical Co., Ltd.
Main drafters of this Part. Huang Yu, Guo Yanling, Gao Jing, Bao Miaoqing, Xue
Jianjun, Wan Yi, Liu Chang, Lai Junping, Hu Xiaoyi, Chen Jiao.
Test method of organic chemical products -
Part 6. Determination of color for liquids -
Tristimulus colorimetry
1 Scope
This Part of GB/T 6324 specifies the instrument method that adopts the
principle that was determined by International Commission on Illumination (CIE)
in 1931, using X, Y, Z (tristimulus values) to express the color of clear liquid to
determine the color (expressed in platinum-cobalt color).
This Part is applicable to determine clarified, non-turbid liquid organic chemical
products of which the nominal platinum-cobalt color number is 0~100 and the
sample has similar absorption characteristics to the platinum-cobalt solution,
without fluorescence emission.
2 Normative references
The following referenced documents are indispensable for the application of
this document. For dated references, only the edition cited applies. For undated
references, the latest edition of the referenced document (including any
amendments) applies.
GB/T 3143, Determination method of liquid chemical product color (Hazen
unit - platinum - cobalt color number)
GB/T 3977, Specification of colors
GB/T 3978-2008, Standard illuminants and geometric conditions
GB/T 5698, Glossary of color terms
GB/T 6682, Water for laboratory use; Specifications
GB/T 8170, Rules of rounding off for numerical values & expression and
judgement of limiting values
3 General provisions
3.1 See GB/T 5698 for the terms and definitions involved in this Part.
......
Source: Above contents are excerpted from the PDF -- translated/reviewed by: www.chinesestandard.net / Wayne Zheng et al.
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