Path:
Home >
GB/T >
Page61 > GB/T 23534-2009
Price & Delivery
US$279.00 · In stock · Download in 9 secondsGB/T 23534-2009: Kojic
Delivery: 9 seconds. True-PDF full-copy in English & invoice will be downloaded + auto-delivered via email. See
step-by-step procedureStatus: Valid
| Std ID | Version | USD | Buy | Deliver [PDF] in | Title (Description) |
| GB/T 23534-2009 | English | 279 |
Add to Cart
|
3 days [Need to translate]
|
Kojic
|
Click to Preview a similar PDF
Basic data
| Standard ID | GB/T 23534-2009 (GB/T23534-2009) |
| Description (Translated English) | Kojic |
| Sector / Industry | National Standard (Recommended) |
| Classification of Chinese Standard | X31 |
| Classification of International Standard | 67.180.20 |
| Word Count Estimation | 12,111 |
| Date of Issue | 2009-04-27 |
| Date of Implementation | 2009-11-01 |
| Regulation (derived from) | National Standard Approval Announcement 2009 No.5 (Total No.145) |
| 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 |
| Summary | This standard specifies the requirements for kojic acid, analytical methods, inspection rules and signs, packaging, transport and storage. This standard applies to glucose by Aspergillus niger (Aspergillus niger) fermentation, purified preparation of kojic acid production, inspection and sales. |
GB/T 23534-2009: Kojic
---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.
Kojic
ICS 67.180.20
X31
National Standards of People's Republic of China
Kojic
Posted 2009-04-27
2009-11-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Table of Contents
Introduction Ⅲ
1 Scope 1
2 Normative references 1
3 chemical name, structural formula, molecular formula and relative molecular mass 1
4 Requirements 1
5 Analysis 2
6 Inspection Rule 4
7 signs, packaging, transportation and storage 4
Foreword
The standard proposed by China National Light Industry Council.
This standard by the National Standardization Technical Committee Technical Committee fermented food industry.
This standard was drafted. Wuxi Saide Biological Engineering Co., Ltd., China Food Fermentation Industry Research Institute, located in Sichuan Food Fermentation Industry
Meter Institute.
The main drafters of this standard. Hu Yan Tong, Zhang Wei, Xie Guangrong, Huajia Rong, Guo Xinguang, Wang Ling.
Kojic
1 Scope
This standard specifies requirements for kojic acid, analytical methods, inspection rules and signs, packaging, transportation and storage.
Sales.
2 Normative references
The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent
Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research
Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard.
Preparation of standard solution of GB/T 602 chemical reagent determination of impurities (GB/T 602-2002, ISO 6353-1. 1982, NEQ)
GB/T 617 chemical reagent melting range of common measurement method (GB/T 617-2006, ISO 6353-1. 1982, NEQ)
GB/T 6682 analytical laboratory use specifications and test methods (GB/T 6682-2008, ISO 3696. 1987, MOD)
3 chemical name, structural formula, molecular formula and relative molecular mass
3.1 Chemical Name. 5-hydroxy-2-hydroxymethyl-4-pyrone (5-hydroxy- Rao -hydroxymethyl-4-pyrone).
3.2 Structure.
3.3 Molecular formula. C6H6O4.
3.4 Molecular Weight. 142.1 (according to 2003 international relative atomic mass).
4 Requirements
4.1 Sensory requirements
White to pale yellow needle-like crystals, no odor.
4.2 Physical and Chemical Requirements
Shall comply with the requirements in Table 1.
Table 1 Physical and chemical requirements
Item Index
Kojic acid content /% ≥ 99
Melting point/℃ 152 ~ 156
Loss on drying /% ≤ 1.0
Residue on ignition /% ≤ 0.2
Chloride (based on Cl)/(mg/kg) ≤ 100
...
