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GB/T 22252-2024 English PDF

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Q: Should I purchase the latest version GB/T 22252-2024?

Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 22252-2024 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.

US$199.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 22252-2024: Determination of coenzyme Q10 in health foods
Status: Valid

GB/T 22252: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 22252-2024	199	Add to Cart	3 days	Determination of coenzyme Q10 in health foods	Valid
GB/T 22252-2008	139	Add to Cart	3 days	Determination of coenzyme Q10 in health food	Valid

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GB 16740 GB 5413.31 YC/T 373 GB/T 22248 GB/T 22246

Basic data

Standard ID: GB/T 22252-2024 (GB/T22252-2024)
Description (Translated English): Determination of coenzyme Q10 in health foods
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: X83
Classification of International Standard: 67.050
Word Count Estimation: 10,120
Date of Issue: 2024-12-31
Date of Implementation: 2025-07-01
Older Standard (superseded by this standard): GB/T 22252-2008
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 22252-2024: Determination of coenzyme Q10 in health foods

---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.
ICS 67.050 CCSX83 National Standard of the People's Republic of China Replaces GB/T 22252-2008 Determination of Coenzyme Q10 in Health Food Released on 2024-12-31 2025-07-01 Implementation State Administration for Market Regulation The National Standardization Administration issued

Foreword

This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for standardization work Part 1.Structure and drafting rules for standardization documents" Drafting. This document specifies the technical requirements related to food quality. For food safety requirements, please refer to relevant laws, regulations, policies and food safety standards. document. This document replaces GB/T 22252-2008 "Determination of coenzyme Q10 in health foods". Compared with GB/T 22252-2008, except for the structure In addition to adjustments and editorial changes, the main technical changes are as follows. a) The scope of application has been changed (see Chapter 1, Chapter 1 of the.2008 edition); b) The principle has been changed (see Chapter 4, Chapter 2 of the.2008 edition); c) The preparation of standard solution has been changed (see 5.3, 3.7 and 3.8 of the.2008 edition); d) Added sample preparation and sample handling (see 7.1 and 7.2); e) The chromatographic reference conditions have been changed (see 7.3, 5.3 of the.2008 edition); f) The detection limit and quantification limit have been changed (see Chapter 10, Chapter 1 of the.2008 edition); g) The chromatogram has been changed (see Appendix A, Chapter 8 of the.2008 edition). Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents. This document is proposed and coordinated by the National Technical Committee for Standardization of Special Foods (SAC/TC466). This document was drafted by. China Light Industry Technology Innovation Center Co., Ltd., Anhui Food and Drug Inspection Institute, China Food Fermentation Industry Research Institute Institute Co., Ltd., Zhejiang Xinweishi Biotechnology Co., Ltd., Tongfu International Holding Group Co., Ltd., Biostime (China) Co., Ltd., Tomson By-Health Co., Ltd., Xianle Health Technology (Anhui) Co., Ltd., Wuhu Nuokang Biotechnology Co., Ltd., Hebei Chenguang Testing Technology Service Co., Ltd., Stander Testing (Guangzhou) Co., Ltd., Fangyuan Mark Inspection and Testing (Shandong) Co., Ltd., Yantai New Era Health Industry Ltd. The main drafters of this document are. Wang Daobing, Wang Lingling, Zhong Qiding, Wu Zhuying, An Hongmei, Wang Jieqiong, Wu Yifan, Yue Hongwei, Ling Haiyuan, Peng Yunying, Li Yong, Li Zhen, Peng Lishi, Gao Lan, Zhang Xiaofang, Qin Jingbo, Sheng Jianwei, Yin Lei, Zheng Minmin, Xiao Shucai, Zhong Shunhao, Wu Zhenzhi, Zhou Baihua, Zhu Zhengjun, Zhao Kuihu, Ma Yuanyuan, Yan Lili, Yi Jiehan, and Yang Zuwei. The previous versions of this document and the documents it replaces are as follows. ---First published in.2008 as GB/T 22252-2008; ---This is the first revision. Determination of Coenzyme Q10 in Health Food

1 Scope

This document describes a method for the determination of coenzyme Q10 in health foods by HPLC. This document is applicable to the determination of dosage forms such as tablets, hard capsules, soft capsules, granules, powders, oral liquids, and gel candies by high performance liquid chromatography. Coenzyme Q10 in healthy food.

2 Normative references

The contents of the following documents constitute the essential clauses of this document through normative references in this document. For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to This document. GB/T 6682 Specifications and test methods for water used in analytical laboratories

3 Terms and definitions

There are no terms or definitions that require definition in this document.

4 Principle

The analytes in the sample were extracted with isopropanol or anhydrous ethanol, separated by reversed-phase high performance liquid chromatography, and detected by ultraviolet detector. Qualitative, quantitative by external standard method.

5 Reagents

Unless otherwise specified, only chromatographic grade reagents were used. 5.1 Reagents 5.1.1 Water, GB/T 6682, Grade 1. 5.1.2 Methanol (CH4O). 5.1.3 Anhydrous ethanol (C2H6O). 5.1.4 Isopropyl alcohol (C3H8O). 5.2 Standard samples or standard substances Coenzyme Q10 standard (C59H90O4, CAS No.. 303-98-0). purity not less than 98%, or nationally certified and certified standards Sample or standard material. 5.3 Preparation of standard solution 5.3.1 Standard working solution A 5.3.1.1 Coenzyme Q10 standard stock solution A (500 μg/mL). Accurately weigh 25 mg of coenzyme Q10 standard (5.2) (accurate to ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 22252-2024_English be delivered?

Answer: Upon your order, we will start to translate GB/T 22252-2024_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 22252-2024_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 22252-2024_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.

Question 5: Should I purchase the latest version GB/T 22252-2024?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 22252-2024 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.