GB/T 23750-2009 English PDF

US$234.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 23750-2009: Determination of Glyphosate residues in plant products -- GC-MS method
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 23750-2009	234	Add to Cart	3 days	Determination of Glyphosate residues in plant products -- GC-MS method	Valid

Similar standards

GB/T 23779   GB/T 5497   GB/T 5496   GB/T 44336   GB/T 41133   GB/T 34267   

Basic data

Standard ID: GB/T 23750-2009 (GB/T23750-2009)
Description (Translated English): Determination of Glyphosate residues in plant products -- GC-MS method
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: X10
Classification of International Standard: 67.050
Word Count Estimation: 12,178
Date of Issue: 2009-05-13
Date of Implementation: 2009-08-01
Adopted Standard: AOAC Official Method 2000.05 " crop glyphosate and AMPA 's determination ", IDT
Regulation (derived from): PRC National Standard Approval Announcement 2009 No.6 (Total No.146)
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 vegetable products glyphosate (PMG) and its degradation products aminomethylphosphonic acid (AMPA) residues by gas chromatography-mass spectrometry. This standard applies to cereal grains (soybeans, wheat), fruits (sugar cane, mandarin orange) and other plant products, glyphosate and its degradation product AMPA residues detection and confirmation. This standard limit of quantitation (LOQ): 0. 05mg/kg.

GB/T 23750-2009: Determination of Glyphosate residues in plant products -- GC-MS 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 Glyphosate residues in plant products. GC-MS method ICS 67.050 X10 National Standards of People's Republic of China Determination of glyphosate residues in plant products Gas chromatography - mass spectrometry Posted 2009-05-13 2009-08-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

This standard is equivalent to using the AOAC Official Method 2000.05 "crop Determination of glyphosate and aminomethylphosphonic acid." This standard techniques The operation is consistent with the content of this method, after verification, according GB/T 20001.4-2001 "Rules for drafting standards - Part 4. Chemical analytical Law "AOAC Official Method 2000.05 individual content made editorial changes. The Standard Appendix A and Appendix B are informative. This standard is proposed and managed by China National Institute of Standardization. This standard was drafted. People's Republic of China Shanghai Exit Inspection and Quarantine, the Shanghai Quality and Technical Supervision, People's Republic of China State Liaoning CIQ. The main drafters of this standard. Li Bo, Guo Dehua, Feng Wei, Kara Chan, Xie Yan, Yang Xi whole, red Ni Dan, Li Han. Determination of glyphosate residues in plant products Gas chromatography - mass spectrometry

1 Scope

This standard specifies the plant product glyphosate (PMG) and its degradation products aminomethylphosphonic acid (AMPA) residues gas chromatography - Mass spectrometry. This standard applies to cereal grains (soybeans, wheat), fruits (sugar cane, Gan Cheng) and other vegetable products of glyphosate and its degradation product AMPA Residue detection and confirmation. The standard limit of quantitation (LOQ). 0.05mg/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 Use the latest versions of these files. For undated reference documents, the latest versions apply to this standard. Determination of GB/T 5009.3-2003 moisture in foods Principle 3 Samples extracted with water, dried cation exchange column (CAX) purification, and heptafluorobutanol (HFB) and trifluoroacetic anhydride (TFAA) Anti-derivatized After the reaction, gas chromatography - mass spectrometer measurement, external standard.

4 Reagents and materials

Unless otherwise specified, the reagents were of analytical grade, water is deionized water. 4.1 ethyl acetate. chromatography. 4.2 Methanol. chromatographically pure. 4.3 dichloromethane. 4.4 hydrochloric acid. 4.5 potassium dihydrogen phosphate (KH2PO4). 4.6 trifluoroacetic anhydride (TFAA). purity ≥99%. 4.7 heptafluorobutanol (HFB). purity ≥98%. 4.8 citral. Purity ≥95%, when the dark brown color was abandoned. 4.9 acidity regulator. Weigh 16g of potassium dihydrogen phosphate was dissolved in 160mL of water and 40mL of methanol was added 13.4mL hydrochloric acid, and mix. 4.10 CAX eluent. amount of each 160mL water, 2.7mL hydrochloric acid and 40mL of methanol, and mix. 4.11 0.2% citral ethyl acetate solution. 100mL ethyl acetate was added 200μL citral, mix, dark cold storage for a period of 1 month. 4.12 Derivative Reagents. trifluoroacetic anhydride (TFAA) - heptafluorobutanol (HFB) (2 + 1, volume ratio), prepared before use, and in the following -40 ℃ Cryogenic refrigerator frozen. 4.13 Glyphosate standards. purity ≥98.0%. 4.14 AMPA standards. purity ≥98.0%. 4.15 glyphosate, aminomethylphosphonic acid standard stock solution. namely, accurately weighed amount of glyphosate, aminomethylphosphonic acid standard polyethylene or ......

Image     

Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 23750-2009_English be delivered?

Answer: Upon your order, we will start to translate GB/T 23750-2009_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 23750-2009_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 23750-2009_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.