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SN/T 0527-2012 English PDF

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US$499.00 · In stock
Delivery: <= 4 days. True-PDF full-copy in English will be manually translated and delivered via email.
SN/T 0527-2012: Determination of methiocarb and its metabolite residues in cereals for export. LC-MS/MS method
Status: Valid

SN/T 0527: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
SN/T 0527-2012	499	Add to Cart	4 days	Determination of methiocarb and its metabolite residues in cereals for export. LC-MS/MS method	Valid
SN 0527-1996	559	Add to Cart	4 days	Method for determination of methiocarb residuesin cereals for export	Obsolete

Similar standards

NY/T 893 NY/T 894 NY/T 892 SN/T 0394 SN/T 0395 SN/T 0520

Basic data

Standard ID: SN/T 0527-2012 (SN/T0527-2012)
Description (Translated English): Determination of methiocarb and its metabolite residues in cereals for export. LC-MS/MS method
Sector / Industry: Commodity Inspection Standard (Recommended)
Classification of Chinese Standard: X11
Classification of International Standard: 67.060
Word Count Estimation: 19,152
Older Standard (superseded by this standard): SN 0527-1996
Quoted Standard: GB/T 6682
Regulation (derived from): National Quality Inspection (2012) 237
Issuing agency(ies): General Administration of Customs
Summary: This standard specifies the cereals for export methiocarb and its metabolites (methylthio Wia methiocarb sulfoxide and sulfone) residues liquid chromatography mass spectrometry, mass spectrometry. This standard applies to exports of rice, corn, brown rice

SN/T 0527-2012: Determination of methiocarb and its metabolite residues in cereals for export. LC-MS/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 methiocarb and its metabolite residues in cereals for export.LC-MS/MS method People's Republic of China Entry-Exit Inspection and Quarantine Standards Replacing SN 0527-1996 Cereals for export methiocarb (methiocarb) and metabolite residues The amount of liquid chromatography detection methods - mass spectrometry/mass spectrometry LC-MS/MSmethod Issued on. 2012-05-07 2012-11-16 implementation People's Republic of China The State Administration of Quality Supervision, Inspection and Quarantine released

Foreword

This standard was drafted in accordance with GB/T 1.1-2009 given rules. This standard replaces SN 0527-1996 "methiocarb residues in cereals for export." This standard compared with SN 0527-1996, the main technical changes are as follows. --- Standard Scope extended to the brown rice, corn, rice, barley and wheat; --- The methiocarb metabolites. methylthio Wia sulfone, methiocarb sulfoxide were measured; --- Extracts to acetonitrile; --- Omitted sampling procedure. Please note that some of the content of this document may involve patents. Release mechanism of the present document does not assume responsibility for the identification of these patents. 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, Shanghai Institute of Technical Supervision quality inspection. The main drafters of this standard. Yang Huiqin, Thomas McCain, Iraq Xiong Hai, Zhu Jian, Guo Dehua, Deng Xiaojun, Chen Di, Wang Chuan now. This standard replaces the standards previously issued as follows. --- SN 0527-1996. Cereals for export methiocarb (methiocarb) and metabolite residues The amount of liquid chromatography detection methods - mass spectrometry/mass spectrometry

1 Scope

This standard specifies the cereals for export methiocarb and metabolites (methylthio Avia methiocarb sulfoxide and sulfone) residual amount of liquid chromatography - mass spectrometry/mass spectrometry test methods. This standard is applicable to the export of rice, corn, rice, barley and wheat methiocarb, methiocarb sulfide sulfone and sulfoxide Avia Residues qualitative set Determination.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein Member. For undated references, the latest edition (including any amendments) applies to this document. Laboratory use specifications and test methods GB/T 6682 Analysis

3 Method summary

The sample was extracted with acetonitrile and residual methiocarb metabolite extract was dried over anhydrous magnesium sulfate and carbon graphite purified, concentrated, Liquid chromatography - mass spectrometry/mass spectrometry, external standard and quantitative.

4 reagent material

Unless otherwise indicated, the reagents used were of analytical grade water as a water GB/T 6682 regulations. 4.1 acetonitrile. chromatography. 4.2 formic acid. Chromatographic pure. 4.3 Methanol. chromatographically pure. 4.4 ammonium formate. chromatography. 4.5 anhydrous magnesium. pure class distinctions. 4.6 acetonitrile solution (11 volume). Measure 50mL of water and 50mL of acetonitrile and mixed well. 4.7 20mmol/L ammonium formate solution (containing 0.1% formic acid). Accurately weigh 1.2612g ammonium formate, formic acid is added 1mL with water-soluble Solutions and transferred to 1000mL volumetric flask, dilute to the mark. 4.8 0.1% formic acid solution. 1mL acid is dissolved in water and dilute to 1L. 4.9 Pesticide Standards. methiocarb (Methiocarb, CAS number. 2032-65-1), methylthio Wia sulfone (Methiocarbsulfoxid, CAS No. 2635-10-1), methiocarb sulfoxide (Methiocarbsulfone, CAS number. 2179-25-1) were greater than 98% purity. 4.10 formulated standard stock solution. Weigh appropriate amount of reference material, respectively, prepared in methanol at a concentration of 100mg/L standard stock Solution. The solution was stored at -18 ℃ refrigerator. Valid for one month. 4.11 intermediate mixed standard solution preparation. accurately Pipette a certain volume of standard stock solutions were diluted to 10.0mg/L of methanol The intermediate mixed standard working solution. The solution should be formulated in a brown flask below -18 ℃ in the dark to save 5d. 4.12 preparation mixed standard working solution. Pipette appropriate amount of each intermediate mixed standard working solution, the solution was diluted with a blank sample matrix, so ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of SN/T 0527-2012_English be delivered?

Answer: Upon your order, we will start to translate SN/T 0527-2012_English as soon as possible, and keep you informed of the progress. The lead time is typically 2 ~ 4 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of SN/T 0527-2012_English with my colleagues?

Answer: Yes. The purchased PDF of SN/T 0527-2012_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 SN/T 0527-2012?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version SN/T 0527-2012 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.