|
US$229.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
SN/T 4675.18-2016: Determination of dithiocarbamate residues in wine for export - Headspace GC method
Status: Valid
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| SN/T 4675.18-2016 | English | 229 |
Add to Cart
|
3 days [Need to translate]
|
Determination of dithiocarbamate residues in wine for export - Headspace GC method
| Valid |
SN/T 4675.18-2016
|
PDF similar to SN/T 4675.18-2016
Basic data | Standard ID | SN/T 4675.18-2016 (SN/T4675.18-2016) | | Description (Translated English) | Determination of dithiocarbamate residues in wine for export - Headspace GC method | | Sector / Industry | Commodity Inspection Standard (Recommended) | | Classification of Chinese Standard | X62 | | Word Count Estimation | 10,121 | | Date of Issue | 2016-12-12 | | Date of Implementation | 2017-07-01 | | Regulation (derived from) | State-Quality-Inspection-Accredidation (2016) No.590 | | Issuing agency(ies) | General Administration of Customs | SN/T 4675.18-2016: Determination of dithiocarbamate residues in wine for export - Headspace GC 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 dithiocarbamate residues in wine for export-Headspace GC method
People's Republic of China Exit Inspection and Quarantine standards
Dithiocarbamate residues in exported wine
Determination of headspace gas chromatography
2016-12-12 released
2017-07-01 implementation
People's Republic of China
General Administration of Quality Supervision, Inspection and Quarantine released
Foreword
SN/T 4675 "export wine quality and safety analysis method" is divided into 30 parts.
--- SN/T 4675.1 Determination of export glycerol in the enzyme method;
--- SN/T 4675.2 Export wine 2,3-butanediol Determination of gas chromatography;
--- Determination of stable carbon isotope ratio of ethanol in exported wine by SN/T 4675.3;
--- SN/T 4675.4 Determination of lactic acid in export wine enzymatic;
--- SN/T 4675.5 wine exports - Determination of organic acids by ion chromatography;
--- SN/T 4675.6 Determination of glucose, fructose and sucrose in export wines;
--- SN/T 4675.7 Determination of acetaldehyde in wine exports - Gas Chromatography - Mass Spectrometry;
--- SN/T 4675.8 Export wine 5-hydroxymethyl furfural Determination of liquid chromatography;
--- SN/T 4675.9 Exported wine - Determination of diethylene glycol - Gas Chromatography - Mass Spectrometry;
--- SN/T 4675.10 Determination of ochratoxin A in export wines - Liquid chromatography - mass spectrometry/mass spectrometry;
--- SN/T 4675.11 Determination of 7 kinds of anthocyanins in exported wine by ultra performance liquid chromatography;
--- SN/T 4675.12 export wine lysozyme Determination of liquid chromatography;
--- SN/T 4675.13 Determination of 2,4,6-trichloroanisole residues in exported wine by gas chromatography-mass spectrometry;
--- SN/T 4675.14 Determination of natamycin in wine exports by liquid chromatography - mass spectrometry/mass spectrometry;
--- SN/T 4675.15 exported wine salicylic acid, dehydroacetic acid and p-chlorobenzoic acid Determination of liquid chromatography;
--- SN/T 4675.16 Determination of fumaric acid in exported wine by liquid chromatography - mass spectrometry/mass spectrometry;
--- SN/T 4675.17 Determination of butyl tin content in exported wine - Gas Chromatography - Mass Spectrometry/Mass Spectrometry;
--- SN/T 4675.18 Determination of dithiocarbamate residues in export wines; headspace gas chromatography;
Determination of sodium, magnesium, potassium, calcium, chromium, manganese, iron, copper, zinc, arsenic, selenium, silver, cadmium and lead in exported wines;
--- SN/T 4675.20 Determination of rare earth elements in exported wine by inductively coupled plasma mass spectrometry;
--- SN/T 4675.21 Determination of soluble inorganic salts exported wine Ion chromatography;
--- SN/T 4675.22 Determination of total sulfur dioxide in wine exports colorimetry;
--- SN/T 4675.23 Determination of ammonia nitrogen in wine and grape juice exports continuous flow analyzer;
--- SN/T 4675.24 Export wine Fu - Lin Shaka index determination spectrophotometer;
--- SN/T 4675.25 Determination of color of export wine CIE1976 (L * a * b *) color space method;
--- SN/T 4675.26 Determination of turbidity of exported wine - Scattered light method;
--- SN/T 4675.27 Determination of export wine alkaline ash;
--- SN/T 4675.28 exports of wine bacteria, mold and yeast count;
--- SN/T 4675.29 Export wine wine yeast test real-time fluorescent PCR;
--- SN/T 4675.30 Exported wine Bayer engaged yeast test real-time PCR method.
This section is part 18 of the SN/T 4675.
This section drafted in accordance with GB/T 1.1-2009 given rules.
Please note that some of this document may be patentable. The issuing agencies of this document do not bear the responsibility of identifying these patents.
This part of the national certification and accreditation supervision and management committee proposed and centralized.
This part of the drafting unit. People's Republic of China Qinhuangdao Exit Inspection and Quarantine, People's Republic of China Guangzhou Exit Inspection and Quarantine
Epidemic
The main drafters of this section. Ge Na, Cui Zongyan, Ling Li, Zhou Yue, Zhao Yuqiang, Wang Fei, Li Xiang, Qian Yunkai, Liu Yongming, Zhang Jinjie, Liu Qing,
Li Zhiyong.
Dithiocarbamate residues in exported wine
Determination of headspace gas chromatography
1 Scope
SN/T 4675 This section provides the determination of dithiocarbamate residues in wine by headspace gas chromatography - flame photometric detection
method.
This section applies to wine dithiocarbamates (mancozeb, deuterin Zinc, mancozeb, sodium deoxide, on behalf of the Union, the United States and the United States, the blessing
The United States and zinc, Fuzhou Iron and the United States) the total residue detection.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version applies to this article
Pieces. For undated references, the latest edition (including all amendments) applies to this document.
GB/T 6682 analytical laboratory water specifications and test methods
3 method summary
The sample to be tested is reacted with a reducing acid solution in a closed system and the dithiocarbamate-containing material is reduced and decomposed to be released quantitatively
Carbon disulfide (CS2), take part of the headspace gas with gas chromatography - flame photometric detection of CS2 content, external standard method.
4 Reagents and materials
Unless otherwise specified, the reagents were of analytical grade, water GB/T 6682 provides a water.
4.1 Stannous chloride.
4.2 hydrochloric acid.
4.3 acetonitrile. Chromatographic purity.
4.4 Stannous chloride - hydrochloric acid solution Dissolve 15 g of stannous chloride (4.1) in 430 mL of hydrochloric acid (4.2) and dilute to 1000 mL with water.
4.5 dithiocarbamate pesticide standard. Mancozeb, dexmedetomidine, mancozeb, dexamethasone, dexamethasone, thiram, Fume zinc, blessing
For details of the American Iron and Steel compounds, see Table A.1 in Appendix A. Standard purity 83.0% of dexmedetomidine, 80.0% of dexmedetomidine, 82.0% of dexmedetomidine, dexamethasone
Manganese and zinc 97.5%, others were 99.5%.
4.6 Standard stock solution Accurately weigh the right amount of carbon disulfide, mancozeb, deuterin, manganate, sodium dexamethasone, dextromethorphan, thiram, blessing
US-Zinc, and the American Standard (4.5), respectively, with acetonitrile (4.3) were individually formulated into a single standard stock solution of 1.0 mg/mL concentration or suspended
Turbidity, shake well before use.
4.7 standard working solution, respectively, accurately take the appropriate amount of carbon disulfide, mancozeb, deuterin, metsenoic acid, sodium dexamethasone, on behalf of the Union, the United States and the United States,
Fumei Zinc, and the standard stock solution of Amtrak (4.6), were individually formulated into a single standard of 10 μg/mL with acetonitrile (4.3)
Solution.
5 instruments and equipment
5.1 Gas Chromatograph with Flame Photometric Detector (FPD).
Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of SN/T 4675.18-2016_English be delivered?Answer: Upon your order, we will start to translate SN/T 4675.18-2016_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 4675.18-2016_English with my colleagues?Answer: Yes. The purchased PDF of SN/T 4675.18-2016_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.
|