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GB/T 23883-2009 English PDF

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US$189.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 23883-2009: Determination of ricinine in feeds -- High performance liquid chromatography
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 23883-2009	189	Add to Cart	3 days	Determination of ricinine in feeds -- High performance liquid chromatography	Valid

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Basic data

Standard ID: GB/T 23883-2009 (GB/T23883-2009)
Description (Translated English): Determination of ricinine in feeds -- High performance liquid chromatography
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: B46
Classification of International Standard: 65.120
Word Count Estimation: 8,869
Date of Issue: 2009-05-26
Date of Implementation: 2009-10-01
Regulation (derived from): PRC National Standard Approval Announcement 2009 No.7 (Total No.147)
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 for determining ricinine feed by HPLC. This standard applies to castor meal, compound feed and feed ricinine measured concentration. The detection limit of this Act 5 mg/kg.

GB/T 23883-2009: Determination of ricinine in feeds -- High performance liquid chromatography

---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 ricinine in feeds. High performance liquid chromatography ICS 65.120 B46 National Standards of People's Republic of China Determination of feed castor base High Performance Liquid Chromatography Posted 2009-05-26 2009-10-01 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 by the National Feed Industry Standardization Technical Committee (SAC/TC76) and focal points. This standard was drafted. China Agricultural University, Ministry of Agriculture Feed potency and safety Supervision and Testing Center (Beijing). The main drafters of this standard. Wang Zongyi, Zhang Liying, Yang Wenjun, Heping Li, Li Bingying. Determination of feed castor base High Performance Liquid Chromatography

1 Scope

This standard specifies the determination in feed Ricinine (chemical name is 3-cyano-4-methoxy-2-pyridone -N- by high performance liquid chromatography, Formula C8H8N2O2, molar mass of 164.16g/mol) method. This standard applies to castor meal, feed and feed Determination of castor base concentrated. The detection limit of this Act 5mg/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. Laboratory use specifications and test methods GB/T 6682 Analysis GB/T 20195 Animal feed sample preparation Principle 3 Sample was extracted with methanol and castor base by solid phase extraction, high performance liquid chromatography with UV detection, external standard.

4 Reagents and solutions

Except where noted, this standard reagents used were of analytical grade, water accord GB/T 6682 two water regulations. 4.1 anhydrous methanol 4.2 acetonitrile Chromatography. 4.3 1% (volume fraction) aqueous ammonia solution Pipette 1.0mL of concentrated aqueous ammonia solution in 100.0mL volumetric flask with water to volume. 4.4 30% (volume fraction) in methanol Pipette 30mL of methanol in 100.0mL flask with water to volume. 4.5 Ricinine standards Purity greater than 99%. 4.6 Ricinine standard solution 4.6.1 Ricinine standard stock solution. Weigh Ricinine standard amount, dissolved in methanol to prepare a concentration of 1.00mg/mL standard stock Solution, at -18 ℃ storage conditions. Valid for six months. 4.6.2 Ricinine standard working solution Ⅰ. successively diluted with methanol Ricinine standard stock solution to a final concentration of 5.0μg/mL, 10μg/mL, 20μg/mL, 30μg/mL and 40μg/mL standard working solution. Valid for 30d. 4.6.3 Ricinine standard working solution Ⅱ. 30% methanol (4.4) to a final stock solution was diluted successively concentrations of 0.5μg/mL, Working standard solution 2.0μg/mL, 5.0μg/mL, 10μg/mL and 20μg/mL of. Valid for 30d.

5 instruments and equipment

5.1 Analysis of balance. a sense of the amount of 0.0001g. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 23883-2009_English be delivered?

Answer: Upon your order, we will start to translate GB/T 23883-2009_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 23883-2009_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 23883-2009_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.