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SN/T 3845-2014 English PDF

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US$649.00 · In stock
Delivery: <= 5 days. True-PDF full-copy in English will be manually translated and delivered via email.
SN/T 3845-2014: Determination of multiple synthetic dyes in bottom material of chafing dish for export
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
SN/T 3845-2014	649	Add to Cart	5 days	Determination of multiple synthetic dyes in bottom material of chafing dish for export	Valid

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Basic data

Standard ID: SN/T 3845-2014 (SN/T3845-2014)
Description (Translated English): Determination of multiple synthetic dyes in bottom material of chafing dish for export
Sector / Industry: Commodity Inspection Standard (Recommended)
Classification of Chinese Standard: X04
Classification of International Standard: 67.050
Word Count Estimation: 25,255
Quoted Standard: GB/T 6682
Regulation (derived from): AQSIQ notification issued in 2014 on the first batch of 230 industry-standard entry-exit inspection and quarantine
Issuing agency(ies): General Administration of Customs
Summary: This Standard specifies the pot at the end export a variety of synthetic pigment compound liquid chromatography detection methods. This Standard applies to pot bottom feed new red, amaranth red, carmine, the temptation to red, erythrosine, sunset yellow,

SN/T 3845-2014: Determination of multiple synthetic dyes in bottom material of chafing dish 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.
Determination of multiple synthetic dyes in bottom material of chafing dish for export People's Republic of China Entry-Exit Inspection and Quarantine Standards Determination of synthetic pigment feed export hot pot more Issued on. 2014-01-13 2014-08-01 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. Chongqing, People's Republic of China Exit Inspection and Quarantine. The main drafters of this standard. Xi significant deposit, Tang Bobin, Zhang Lei, Lixian Liang, Zheng Xiaoling, Wang Guomin Li Ying State. Determination of synthetic pigment feed export hot pot more

1 Scope

This standard specifies the pot at the end of export feed more synthetic pigment liquid chromatography detection methods. This standard applies to hot pot feed new red, amaranth red, carmine, the temptation to red, erythrosine, sunset yellow, Acid Red G, acidic red GR, Rhodamine B, Para Red, Sudan Ⅰ, Sudan Ⅱ, Determination of Sudan Ⅲ, Sudan Ⅳ, Sudan and Sudan Orange G and 7B.

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 melted at 60 ℃, washed with methanol - extracted sample mixed solution of acetone and methanol and urea solution (containing 5% aqueous ammonia solution) Synthetic pigment, after liquid-liquid extraction distribution respectively through a polyamide resin column chromatography and gel permeation chromatography purification, liquid chromatography, external standard peak area Statutory amount.

4 Reagents and materials

Unless otherwise specified, the reagents were of analytical grade water as a water GB/T 6682 regulations. 4.1 Methanol. HPLC fractions. 4.2 acetone. HPLC fractions. 4.3 ethyl acetate. 4.4 cyclohexane. 4.5 phosphoric acid. 4.6 urea. 4.7 Ammonia. a concentration of 28%. 4.8 Anhydrous sodium dihydrogen phosphate. 4.9 sodium phosphate dibasic anhydrous. 4.10 methanol - acetone solution (11 volume). The volume of methanol (4.1) and acetone (4.2), and other mixed. 4.11 ethyl acetate - cyclohexane (11, volume ratio). Ethyl acetate (4.3), and cyclohexane (4.4) uniformly mixed in equal volumes. 4.12 80% methanol solution (containing 0.1% phosphoric acid). Take 80mL of methanol (4.1), was added 0.1mL phosphoric acid (4.5), dilute with water to 100mL. 4.13 2mol/L methanol solution of urea (containing 5% aqueous ammonia solution). Weigh 12g of urea (4.6), was dissolved in methanol (4.1), was added 5mL ammonia Water (4.7), dilute to 100mL with methanol (4.1). 4.14 50% phosphoric acid. An equal volume of phosphoric acid (4.5) mixed with water uniformly. 4.15 0.1% phosphoric acid solution. Pipette 0.1mL phosphate (4.5), diluted with water to 100mL. 4.16 5% ammonia - methanol solution. amount of 5mL ammonia (4.7) and 95mL of methanol (4.1), mix well. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of SN/T 3845-2014_English be delivered?

Answer: Upon your order, we will start to translate SN/T 3845-2014_English as soon as possible, and keep you informed of the progress. The lead time is typically 3 ~ 5 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of SN/T 3845-2014_English with my colleagues?

Answer: Yes. The purchased PDF of SN/T 3845-2014_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.