|
US$419.00 · In stock
Delivery: <= 4 days. True-PDF full-copy in English will be manually translated and delivered via email.
SN/T 4654-2016: Determination of clorsulon residue in honey for export--LC-MS/MS method
Status: Valid
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| SN/T 4654-2016 | English | 419 |
Add to Cart
|
4 days [Need to translate]
|
Determination of clorsulon residue in honey for export--LC-MS/MS method
| Valid |
SN/T 4654-2016
|
PDF similar to SN/T 4654-2016
Basic data | Standard ID | SN/T 4654-2016 (SN/T4654-2016) | | Description (Translated English) | Determination of clorsulon residue in honey for export--LC-MS/MS method | | Sector / Industry | Commodity Inspection Standard (Recommended) | | Classification of Chinese Standard | X31 | | Word Count Estimation | 18,172 | | Date of Issue | 2016-08-23 | | Date of Implementation | 2017-03-01 | | Regulation (derived from) | State-Quality-Inspection-Certification (2016)438 | | Issuing agency(ies) | General Administration of Customs | SN/T 4654-2016: Determination of clorsulon residue in honey 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 clorsulon residue in honey for export--LC-MS/MS method
China's entry-exit inspection and quarantine industry standards
Determination of Chlorothuron Residue in Export Honey
Liquid chromatography-mass spectrometry/mass spectrometry
LC-MS/MSmethod
Published on.2016-08-23
2017-03-01 Implementation
China
The State Administration of Quality Supervision, Inspection and Quarantine issued
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This standard is proposed and managed by the National Certification and Accreditation Regulatory Commission.
This standard was drafted by the People's Republic of China Qinhuangdao Entry-Exit Inspection and Quarantine Bureau and the People's Republic of China Jilin Entry-Exit Inspection Inspection
Epidemic Bureau.
The main drafters of this standard are. Cao Yanzhong, Jia Guangqun, Wu Lianpeng, Wang Lei, Li Xiang, Shi Yuqiu, and Song Yu.
Determination of Chlorothuron Residue in Export Honey
Liquid chromatography-mass spectrometry/mass spectrometry
1 Scope
This standard specifies the liquid chromatography-mass spectrometry/mass spectrometry method for the determination of residual chlorine residuals in exported honey.
This standard applies to the quantitative determination and confirmation of residual chlorine residues in honey.
2 Normative references
The following documents are indispensable for the application of this article. For dated references, only dated versions apply to this document.
For undated references, the latest version (including all amendments) applies to this document.
GB/T 6682 Analysis Laboratory Water Specifications and Test Methods
3 Method summary
Chlorothulon in the sample was extracted with tris buffer solution (pH=9) and the extract was purified by C18 solid phase extraction column.
Chromatography-mass spectrometry/mass spectrometry detection and confirmation, external standard method.
4 Reagents and materials
Unless otherwise specified, all reagents are of analytical grade, water is a grade of water specified in GB/T 6682.
4.1 Methanol. Chromatographically pure.
4.2 Acetonitrile. Chromatographic purity.
4.3 Tris. Excellent grade.
4.4 Calcium chloride (CaCl2·2H2O). Excellent grade.
4.5 Hydrochloric acid. Premium pure.
4.6 Clorsulon reference material. C8H8C13N3O4S2, CAS No. 60200-06-8, purity ≥ 99%.
4.7 0.1 mol/L Tris buffer solution. Weigh 12.0 g of Tris(4.3) and 7.35 g of chlorinated
Calcium (4.4) was placed in a 1000 mL beaker, dissolved in 800 mL of water, adjusted to pH 9.0 with hydrochloric acid (4.5), and then brought to volume with water.
To 1000mL.
4.8 0.1 mg/mL standard stock solution. Accurately weigh the appropriate amount of closulfuron standard substance (4.6), and use methanol to make a standard of 0.1 mg/mL
The reserve solution.
4.9 1.0μg/mL standard working solution. Accurately absorb 0.1mL of standard stock solution (4.8) Move to a 10mL volumetric flask, set with methanol
Capacity to scale.
4.10 Solid phase extraction column. The packing is ProElutC18-U1) or equivalent, 1000mg, 6mL. Before use, use 5mL methanol (4.1)
Activated with 10 mL of water to keep the column moist.
1) Non-commercial statement. The type of solid phase cartridge packings listed in this article is for reference only and does not involve commercial purposes. Users are encouraged to try
Use different manufacturers or models of solid phase extraction columns.
Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of SN/T 4654-2016_English be delivered?Answer: Upon your order, we will start to translate SN/T 4654-2016_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 4654-2016_English with my colleagues?Answer: Yes. The purchased PDF of SN/T 4654-2016_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.
|