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Identification of starches adulterant in oleoresin
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Basic data
| Standard ID | GB/T 33030-2016 (GB/T33030-2016) |
| Description (Translated English) | Identification of starches adulterant in oleoresin |
| Sector / Industry | National Standard (Recommended) |
| Classification of Chinese Standard | B72 |
| Classification of International Standard | 65.050 |
| Word Count Estimation | 6,665 |
| Date of Issue | 2016-10-13 |
| Date of Implementation | 2017-05-01 |
| Regulation (derived from) | National Standard Notice No.1716 of 2016 |
| 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 |
GB/T 33030-2016: Identification of starches adulterant in oleoresin
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Indentification of starches adulterant in oleoresin
ICS 65.050
B72
National Standards of People's Republic of China
Identification of starch dopants in pine resin
2016-10-13 released
2017-05-01 implementation
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China
China National Standardization Management Committee released
Directory
Preface I
1 Scope 1
2 normative reference document 1
3 Terms and definitions 1
Principle 1
5 Test Method 1
6 Discrimination and Reporting 2
Foreword
This standard is drafted in accordance with the rules given in GB/T 1.1-2009.
This standard is proposed by the State Forestry Administration and centralized.
The drafting of this standard. China Forestry Science Research Institute of Forest Products Chemical Industry Research Institute, Guangxi Wuzhou Risheng Forest Co., Ltd., cloud
South America Senyuan Forest Products Technology Co., Ltd.
The main drafters of this standard. Zhao Zhendong, Li Dongmei, Bi Liangwu, Li Qian, Zhou Guangping, Wang Jing, Chen Yuxiang, luyan Ju,
Identification of starch dopants in pine resin
1 Scope
This standard specifies the identification method of starch dopants in pine resin.
This standard applies to the rapid assessment of rosin and doping rosin.
2 normative reference documents
The following documents are indispensable for the application of this document. For dated references, only the dated edition applies to this article
Pieces. For undated references, the latest edition (including all modifications) applies to this document.
Preparation of standard titration solution for GB/T 601 chemical reagents
Preparation of preparations and preparations for use in the test methods for chemical reagents GB/T 603
GB/T 6682 Analytical laboratory water specifications and test methods
GB/T 12901
3 terms and definitions
The following terms and definitions apply to this document.
3.1
Starch dopant starchesadulterant
Blended into the rosin and not part of the starchy starch ingredients such as tapioca flour, tapioca starch and other plant starch.
4 principle
Starch components combine with iodine to form blue, purple or brown-red complexes, and qualitative discrimination by visual observation.
5 test method
5.1 Reagents and Solutions
5.1.1 In this chapter, unless otherwise stated, the titration solutions, preparations and articles used are prepared in accordance with the provisions of GB/T 601 and GB/T 603.
Reagents are analytical reagents, test water should be consistent with GB/T 6682 in the three water regulations.
5.1.2 turpentine. in line with GB/T 12901 turpentine (excellent grade) requirements.
5.1.3 saturated aqueous sodium chloride solution.
5.1.4 0.3% iodine - potassium iodide solution. Weigh 0.3g iodine and 0.6g potassium iodide, add a small amount of water dissolved and then add water to 100mL full shake
Evenly, into the brown bottle and placed in the dark to save the spare.
5.2 Instruments and equipment
5.2.1 water bath. 0 ℃ ~ 100 ℃, the accuracy of 1 ℃.
5.2.2 Balance. accuracy of 0.1g.
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