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LY/T 1640-2005: Tannic acid (for pharmaceutical industry)
Status: Obsolete
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| LY/T 1640-2005 | English | 239 |
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Tannic acid (for pharmaceutical industry)
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LY/T 1640-2005
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Basic data | Standard ID | LY/T 1640-2005 (LY/T1640-2005) | | Description (Translated English) | Tannic acid (for pharmaceutical industry) | | Sector / Industry | Forestry Industry Standard (Recommended) | | Classification of Chinese Standard | B72 | | Classification of International Standard | 65.050 | | Word Count Estimation | 6,641 | | Date of Issue | 2005-08-16 | | Date of Implementation | 2005-12-01 | | Summary | This standard specifies the medicinal tannins technical requirements, sampling, test methods, inspection rules and signs, packaging, storage and transport requirements. This standard applies to gall as the raw material used in the manufacture of drugs tannic acid products. | LY/T 1640-2005: Tannic acid (for pharmaceutical industry)---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Tannic acid (for pharmaceutical industry)
ICS 65.050
B72
People's Republic of China Forestry Industry Standard
Medicinal tannin
Released on.2005-08-16
Implementation of.2005-12-01
State Forestry Administration released
Foreword
This standard was proposed by the Institute of Chemical Industry of Forest Products of the Chinese Academy of Forestry.
This standard is under the jurisdiction of the Institute of Chemical Industry of Forest Products of the Chinese Academy of Forestry.
This standard was drafted by the Institute of Chemical Industry of Forest Products of the Chinese Academy of Forestry. Zhangjiajie Trade Source Chemical Co., Ltd., Yunnan Province
The Yanjin Linhua Plant of the South Province participated in the drafting.
The main drafters of this standard. Chen Yuhong, Wang Yumei, Wu Dongmei, Wu Zaiyu, Bi Liangwu, Zhou Daobing, Zhou Guangfu and so on.
Medicinal tannin
1 Scope
This standard specifies the technical requirements, sampling, test methods, inspection rules, and marking, packaging, storage and transportation requirements for medicinal tannins.
This standard applies to tannic acid products for the manufacture of pharmaceuticals made from gallnuts.
2 Normative references
The terms in the following documents become the terms of this standard by reference to this standard. All dated references, followed by all
Modifications (not including errata content) or revisions do not apply to this standard, however, parties to agreements based on this standard are encouraged to study
Is it possible to use the latest version of these files? For undated references, the latest edition applies to this standard.
LY/T 1642-2005 Tannic acid analysis test method
3 Terms and definitions
The terms and definitions established by LY/T 1642-2005 and the following terms apply to this standard.
3.1
Galla Chinensis extract, a purified tannin product that can be used in pharmaceutical manufacture.
4 Technical requirements
4.1 Appearance
Light yellow to light brown amorphous powder.
4.2 Technical Specifications
The technical indicators of medicinal tannins are shown in Table 1.
Table 1 Technical indicators of medicinal tannins
Indicator name
index
First-class quality products
Tannic acid content (dry basis)/(%) ≥ 93.0 90.0 88.0
Loss on drying/(%) ≤ 9.0 9.0 9.0
Residue on ignition/(%) ≤ 1.0 1.0 1.0
Arsenic/(μg/g) ≤ 3 3 3
Heavy metal (in Pb)/(μg/g) ≤ 20 30 40
Gum, dextrin test no turbidity, no turbidity, no turbidity
Resin test without turbidity, no turbidity, no turbidity
5 sampling
5.1 Sampling method
When sampling medicinal tannic acid, the number of samples per batch is not less than 3 in batches. Sampler made of stainless steel or hard plastic
The samples were taken to be approximately equal in three different parts of the bag, and the samples taken were uniformly mixed and divided by a quarter method.
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