SH/T 1499.10-2012 PDF English
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| SH/T 1499.10-2012 | English | 85 |
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Pure adipic acid. Part 10: Determination of content of moisture. Thermogravimetric method
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SH/T 1499.10-2012: Pure adipic acid. Part 10: Determination of content of moisture. Thermogravimetric method
---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/SHT1499.10-2012
SH
PETROCHEMICAL INDUSTRY STANDARD
OF THE PEOPLE’S REPUBLIC OF CHINA
ICS 71.080.40
G 17
Filing No.. 36918-2012
Pure adipic acid - Determination of content
of moisture - Thermogravimetric method
Issued on: MAY 24, 2012
Implemented on: NOVEMBER 1, 2012
Issued by. Ministry of Industry and Information Technology of the People’
Republic of China
Table of Contents
Foreword ... 3
1 Scope ... 4
2 Normative references ... 4
3 Method summary ... 4
4 Instruments ... 4
5 Sampling ... 5
6 Analysis steps ... 5
7 Expression of results ... 6
8 Repeatability ... 6
9 Report ... 6
Foreword
SH/T 1499 “Pure adipic acid” is divided into the following parts.
- Part 1. Specification;
- Part 2. Determination of content - Titrimetric method;
- Part 3. Determination of chroma of ammonia solution - Spectrophotometric method;
- Part 4. Determination of content of ash;
- Part 5. Determination of content of iron - 2, 2’-Bipyridyl spectrophotometric method;
- Part 6. Determination of content of iron - Simple method;
- Part 7. Determination of content of nitric acid - Spectrophotometric method;
- Part 8. Determination of content of oxidizable compounds -Titrimetric method;
- Part 9. Measurement of melt colour (in Pt-Co scale);
- Part 10. Determination of content of moisture - Thermogravimetric method.
This Part is Part 10 of SH/T 1499.
This Part is drafted according to the rules given in GB/T 1.1-2009.
This Part is proposed by China Petroleum & Chemical Corporation.
This Part is under the jurisdiction of Subcommittee on Petrochemistry of National
Technical Committee on Chemical of Standardization Administration of China (SAC/TC
63/SC 4).
Drafting organization of this Part. Liaoning Petrochemical Company of PetroChina Co.,
Ltd.
Main drafters of this Part. Zheng Limei, Zhang Yuanli,Su Changzhi, Wang Hongjie,
Zhang Peng, Han Zhijie, Wang Qun.
This is the first issue of this Part.
Pure adipic acid - Determination of content
of moisture - Thermogravimetric method
1 Scope
This Part specifies the thermogravimetric method for the determination of moisture
content in pure adipic acid.
This Part applies to the determination of the moisture content in pure adipic acid, the
determination range is (0.050 ~ 0.300) % (mass fraction).
2 Normative references
The following referenced documents are indispensable for the application of this
document. For dated references, only the dated edition cited applies. For undated
references, the latest edition of the referenced document (including all amendments)
applies.
GB/T 6678 General principles for sampling chemical products
GB/T 6679 General rules for sampling of solid chemical products
GB/T 8170 Rules of rounding off for numerical values & expression and judgement
of limiting values
GB/T 6283 Chemical products - Determination of water - Karl Fischer method
(general method)
3 Method summary
USE infrared moisture meter to heat and dry the pure adipic acid, to evaporate the
moisture. According to the mass change of the pure adipic acid sample before and
after evaporation of moisture, obtain the moisture content of pure adipic acid.
4 Instruments
4.1 Infrared moisture meter. capable of measuring the moisture content within the
range of (0.050 ~ 0.300) % (mass fraction); the display accuracy. 0.001 % (mass
fraction); equipped with automatic heating control system; equipped with automatic
......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.
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