GB/T 23534-2009 English PDF

US$279.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 23534-2009: Kojic
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 23534-2009	279	Add to Cart	3 days	Kojic	Valid

Similar standards

GB/T 20882.4   GB/T 20883   GB/T 23529   GB/T 20882.7   GB/T 23528.4   

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: 12,114
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 ......

Image     

Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 23534-2009_English be delivered?

Answer: Upon your order, we will start to translate GB/T 23534-2009_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of GB/T 23534-2009_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 23534-2009_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Question 3: Does the price include tax/VAT?

Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countries

Question 4: Do you accept my currency other than USD?

Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.