|
US$399.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
SN/T 4254-2015: Determination of 31 pesticide residues including acephate in rice wine for export
Status: Valid
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| SN/T 4254-2015 | English | 399 |
Add to Cart
|
3 days [Need to translate]
|
Determination of 31 pesticide residues including acephate in rice wine for export
| Valid |
SN/T 4254-2015
|
PDF similar to SN/T 4254-2015
Basic data | Standard ID | SN/T 4254-2015 (SN/T4254-2015) | | Description (Translated English) | Determination of 31 pesticide residues including acephate in rice wine for export | | Sector / Industry | Commodity Inspection Standard (Recommended) | | Classification of Chinese Standard | X62 | | Classification of International Standard | 67.160.10 | | Word Count Estimation | 17,148 | | Date of Issue | 2015-05-26 | | Date of Implementation | 2016-01-01 | | Quoted Standard | GB/T 6682 | | Regulation (derived from) | State Quality-Inspection-Accreditation [2015] No.224 | | Issuing agency(ies) | General Administration of Customs | | Summary | This standard specifies the gas chromatography, fenitrothion and other 13 kinds of pesticides acephate export wine and other 12 kinds of pesticide residues residual gas chromatography - mass spectrometry and bensulfuron methyl six pesticide residues in liquid chromatography - mass spectrometry/mass spectrometry. This standard applies to the determination of 12 pesticide residues in wine exports acephate such determination, fenitrothion and bensulfuron-methyl and other 19 kinds of pesticide residues and confirmation. | SN/T 4254-2015: Determination of 31 pesticide residues including acephate in rice wine for export
---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.
(Acephate export wine and other 31 kinds of pesticide residue detection method)
People's Republic of China Entry-Exit Inspection and Quarantine Standards
31 kinds of wine exports acephate, etc.
Pesticide Residue Detection
Issued on. 2015-05-26
2016-01-01 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.
Please note that some of the content of this document may involve patents. Distribution of this document
Institutions do not assume the responsibility to identify these patents.
This standard is proposed and managed by the National Certification and Accreditation Administration Committee.
This standard was drafted. Shaoxing People's Republic of China Entry-Exit Inspection and Quarantine Wenzhou People's Republic of China
Bureau, People's Republic of China Zhoushan Exit Inspection and Quarantine.
The main drafters of this standard. Hubei Zhen, Han Chao, Song Weihua, Zhou Jin Xiu, Dongwen Hong.
31 kinds of wine exports acephate, etc.
Pesticide Residue Detection
1 Scope
This standard specifies the gas chromatography, fenitrothion and other 13 kinds of pesticides acephate export wine and other 12 kinds of pesticides residues
Gas chromatography - mass spectrometry and bensulfuron methyl six pesticide residues in liquid chromatography - mass spectrometry/mass spectrometry.
This standard applies to 12 pesticide residues in wine exports such as acephate determination fenitrothion and bensulfuron-methyl and other 19 kinds of pesticides
Determination of residues and confirmation.
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.
GB/T 6682 analytical laboratory use specifications and test methods
3 Method summary
After the sample of pesticide residues via Easy solid phase extraction (SPE), acephate and other 12 kinds of pesticides (see Appendix A table in paragraph A.1
Ⅰ group) was measured by gas chromatography, fenitrothion and other 13 kinds of pesticides (see Appendix A in Table A.1 group Ⅱ) by gas chromatography - mass spectrometer
Fixed, bensulfuron-methyl and other six kinds of pesticides (see Appendix A in Table A.1 group Ⅲ) by liquid chromatography - mass spectrometry/mass spectrometer, matrix-matched standards
Outer curve standard method.
4 Reagents and materials
Unless otherwise specified, reagents were of analytical grade water as a water GB/T 6682 regulations.
4.1 acetone. chromatography.
4.2 ethyl acetate. chromatography.
4.3 acetonitrile. chromatography.
4.4 formic acid. Chromatographic pure.
4.5 0.1% formic acid solution (volume concentration). Take formic acid (4.4) 0.5mL, diluted with water volume to 500mL.
4.6 acetonitrile-0.1% formic acid (11 volume). Take 50mL acetonitrile (4.3), 0.1% formic acid solution (4.5) and mix.
4.7 standard solution.
a) standard stock solution. a standard list of substances in Table A.1, the concentration of 100μg/mL. The solution was stored in the dark at 4 ℃, effective
Period of 12 months.
b) mixing intermediate standard solution. Pipette 0.5mL each standard stock solutions were diluted volume to 25mL with ethyl acetate to obtain
Mixed Standard 2.0μg/mL intermediate solution. The solution was stored in the dark at 4 ℃, valid for three months.
c) mixed standard working solution. mixing required intermediate standard solution diluted with ethyl acetate to a suitable mixed standard working solution,
Now with the current.
d) matrix mixed standard working solution. 7.1 by step respectively acquire the liquid matrix blank, take 100μL dried with nitrogen, was added
Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of SN/T 4254-2015_English be delivered?Answer: Upon your order, we will start to translate SN/T 4254-2015_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 SN/T 4254-2015_English with my colleagues?Answer: Yes. The purchased PDF of SN/T 4254-2015_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+ countriesQuestion 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 [email protected]. 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.
|