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GB/T 23383-2009 English PDF

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US$239.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 23383-2009: Determination of sodium hydrogen diacetate in foods -- High performance liquid chromatography method
Status: Obsolete

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 23383-2009	239	Add to Cart	3 days	Determination of sodium hydrogen diacetate in foods -- High performance liquid chromatography method	Obsolete

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Basic data

Standard ID: GB/T 23383-2009 (GB/T23383-2009)
Description (Translated English): Determination of sodium hydrogen diacetate in foods -- High performance liquid chromatography method
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: C53
Classification of International Standard: 67.050
Word Count Estimation: 6,644
Date of Issue: 2009-04-08
Date of Implementation: 2009-05-01
Quoted Standard: GB/T 6682-2008
Regulation (derived from): National Standard Approval Announcement 2009 No.3 (Total No.143)
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 provides high-performance liquid chromatographic method foods sodium diacetate. This standard applies to Dougan class, tofu products again, pastry, prefabricated meat, cooked meat, seasoning, complex seasonings, determination of fried snacks (fried potato chips only) and other foods sodium diacetate, does not apply to the determination of vinegar. This standard method detection limit is 0. 015g/kg, method limit of quantitation 0. 05g/kg.

GB/T 23383-2009: Determination of sodium hydrogen diacetate in foods -- High performance liquid chromatography method

---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.
Determination of sodium hydrogen diacetate in foods. High performance liquid chromatography method ICS 67.050 C53 National Standards of People's Republic of China Determination of sodium diacetate High Performance Liquid Chromatography Posted 2009-04-08 2009-05-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

Appendix A of this standard is an informative annex. This standard is proposed and managed by China National Institute of Standardization. This standard by the national agricultural and sideline products processing and Liquor Quality Supervision and Inspection Center (Shanxi Province, Food Quality Supervision and Inspection Center) is responsible for drafting. The main drafters of this standard. Liangbaosi love, Feng Xiaobin, WangZhengxi, Zhangsu Juan, Wu Qiang, Wu Xiangyong, Sun Liping, Zhao Yahong, Zhao Haixia. Determination of sodium diacetate High Performance Liquid Chromatography

1 Scope

This standard specifies a high performance liquid chromatography in food sodium diacetate. This standard applies to Dougan category, and then curd products, pastries, prefabricated meat, cooked meat, spices, seasonings, fried snack foods (Fried potato chips only), etc. Determination of sodium diacetate; does not apply to the determination of vinegar. The standard method detection limit of 0.015g/kg, the limit of quantitation method was 0.05g/kg.

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. GB/T 6682-2008 analytical laboratory use specifications and test methods (ISO 3696. 1987, MOD) Principle 3 Samples transformed acidified sodium diacetate, acetic acid and ultrasonic water extraction or steam distillation, after adjusting the pH value of the collection, by high performance liquid Phase chromatography, external standard.

4 Reagents and materials

Unless otherwise specified, reagents were of analytical grade. 4.1 Chromatography water should comply with GB/T 6682-2008 predetermined level of water, other water line with GB/T 6682-2008 specified three Grade water. 4.2 phosphoric acid. 4.3 diammonium phosphate. 4.4 silicone oil. 4.5 phosphoric acid solution (1mol/L). After 500mL of water was added 53.5mL phosphoric acid, mix add water to 1000mL. 4.6 diammonium phosphate solution (1.5g/L). Weigh diammonium phosphate 1.5g, dissolved in water and dilute to 1000mL. 4.7 diacetate standard. Purity ≥99%. 4.8 diacetate standard stock solution. Weigh accurately diacetate standard 1g (accurate to 0.0001g), water volume to 100mL, with Made content as the standard stock solution 10mg/mL of. 4 ℃ refrigerator within a period of three months. 4.9 microporous membrane. 0.45μm, the water phase. 4.10 pH test paper. 5. Apparatus 5.1 High Performance Liquid Chromatography (HPLC) instrument. with a UV detector or diode array detector. 5.2 Balance. a sense of volume and 0.0001g 0.01g. 5.3 centrifuge. speed of not less than 4000r/min. 5.4 ultrasonic bath. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 23383-2009_English be delivered?

Answer: Upon your order, we will start to translate GB/T 23383-2009_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 23383-2009_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 23383-2009_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.