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GB/T 23198-2008 English PDF

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US$139.00 · In stock
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GB/T 23198-2008: Determination of oxolinic acid residues in animal original food
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 23198-2008	139	Add to Cart	3 days	Determination of oxolinic acid residues in animal original food	Valid

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Basic data

Standard ID: GB/T 23198-2008 (GB/T23198-2008)
Description (Translated English): Determination of oxolinic acid residues in animal original food
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: X04
Classification of International Standard: 67.050
Word Count Estimation: 6,687
Date of Issue: 2008-12-31
Date of Implementation: 2009-05-01
Quoted Standard: GB/T 6682
Regulation (derived from): National Standard Approval Announcement 2008 No.27 (Total No.140)
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 method of liquid chromatography in foods of animal origin oxolinic acid residues. This standard applies to fish, determination beef oxolinic acid residues, poultry, pork. The method detection limit is 1��g/kg.

GB/T 23198-2008: Determination of oxolinic acid residues in animal original food

---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 oxolinic acid residues in animal original food ICS 67.050 X04 National Standards of People's Republic of China Animal Food Quinoline acid Determination of residues Posted 2008-12-31 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 the National Certification and Accreditation Administration Committee. This standard was drafted. People's Republic of China Shanghai Entry-Exit Inspection and Quarantine Bureau. The main drafters of this standard. Min, Guo Dehua, Li Bo, Li Han, Deng Xiaojun, Yang Huiqin. Animal Food Quinoline acid Determination of residues

1 Scope

This standard specifies the foods of animal origin Liquid chromatographic method quinoline acid residues. This standard applies to fish, poultry, pork, beef Determination of quinoline acid residues. The method detection limit was 1μg/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 analytical laboratory use specifications and test methods (GB/T 6682-2008, ISO 3696. 1987, MOD) Principle 3 Samples were extracted with dichloromethane. After the extract was concentrated, the residue was dissolved in dilute hydrochloric acid solution. Dilute hydrochloric acid was added n-hexane liquid-liquid extraction Take, abandoned hexane. Dilute hydrochloric acid solution and extracted with dichloromethane the residue, the extract was concentrated to dryness. The residue was dissolved in methanol and treated with Fluorescence detector measured by HPLC, external standard.

4 Reagents and materials

Unless otherwise specified, the reagents were of analytical grade, test water should be consistent with GB/T 6682 a water standards. 4.1 formic acid. Chromatographic pure. 4.2 acetonitrile. chromatography. 4.3 Methanol. chromatographically pure. 4.4 n-hexane. 4.5 dichloromethane. 4.6 hydrochloric acid. 4.7 anhydrous sodium. 650 ℃ drying 4h spare. 4.8 sea sand. 4.9 sodium hydroxide. Hydrochloric acid solution 4.10. 1mol/L. Draw hydrochloric 82.5mL, diluted with water to 1000mL. 4.11 0.1mol/L sodium hydroxide solution. Weigh 4.0g of sodium hydroxide dissolved in water and dilute to 1L. 4.12 1% aqueous formic acid. formic acid absorb 10.0mL, diluted with water to 1000mL. 4.13 quinoline acid standard substance. not less than 98.0% purity. 4.14 quinoline acid standard stock solution. 100mg/L. Weigh accurately quinoline acid standard substance 10.0mg (accurate to 0.1mg), to join the 1mL0.1mol/L sodium hydroxide solution to dissolve and then dissolved in methanol and set the volume to 100mL, the standard stock was stored at 4 ℃ in. It can be stored for months. 4.15 quinoline acid standard solution. take appropriate required standard stock solution, diluted to the appropriate concentration of standard working solution with methanol. Standard working solution using now. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 23198-2008_English be delivered?

Answer: Upon your order, we will start to translate GB/T 23198-2008_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 23198-2008_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 23198-2008_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.