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GB/T 23710-2009 English PDF

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US$139.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 23710-2009: Determination of betaine in feeds -- Ion chromatography
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 23710-2009	139	Add to Cart	3 days	Determination of betaine in feeds -- Ion chromatography	Valid

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Basic data

Standard ID: GB/T 23710-2009 (GB/T23710-2009)
Description (Translated English): Determination of betaine in feeds -- Ion chromatography
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: B46
Classification of International Standard: 65.120
Word Count Estimation: 6,672
Date of Issue: 2009-06-12
Date of Implementation: 2009-12-01
Quoted Standard: GB/T 6682; GB/T 14699.1; GB/T 20195
Regulation (derived from): National Standard Approval Announcement 2009 No.8 (Total No.148)
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary: This standard specifies the determination of feed ion chromatography, concentrated feed, pre-mixed feed, feed additives Betaine (or hydrochloride) and composite betaine betaine (or hydrochloride) approach. This standard applies to feed, concentrated feed, pre-mixed feed, feed additives Betaine (or hydrochloride) and composite betaine betaine (or hydrochloride) Determination of.

GB/T 23710-2009: Determination of betaine in feeds -- Ion chromatography

---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 betaine in feeds. Ion chromatography ICS 65.120 B46 National Standards of People's Republic of China Feed betaine ion chromatography Posted 2009-06-12 2009-12-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

Appendix A of this standard is an informative annex. This standard by the National Standardization Technical Committee Feed Industry and focal points. This standard is drafted by. Agricultural Quality Standards and Testing Technology Research Institute, Chinese Academy of Agricultural Sciences [National Feed Quality Supervision and Inspection Heart (Beijing)]. Participated in the drafting of this standard. Feed Research Institute, Chinese Academy of Agricultural Sciences. The main drafters of this standard. Yan Hui Wen, Sood Cheng, Zhang Ping, Liu Qingsheng. Feed betaine ion chromatography

1 Scope

This standard specifies the determination by ion chromatography feed, concentrated feed, pre-mixed feed, feed additives Betaine (or hydrochloride) and Betaine (or hydrochloride) composite betaine. This standard applies to feed, concentrated feed, pre-mixed feed, feed additives Betaine (or chloride) and composite betaine sweet Vegetable base (or hydrochloride salt) content determination. The standard quantitative limit of 200mg/kg.

2 Normative references

The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard. Laboratory use specifications and test methods GB/T 6682 Analysis GB/T 14699.1 feed samples GB/T 20195 Animal feed sample preparation Principle 3 Dissolved in water or betaine extracted sample solution after liquid - liquid extraction purification, the extract was diluted to the appropriate concentration, use sun Ion exchange column and non-suppressed conductivity detector separation and determination.

4 Sampling

According to GB/T 14699.1 execution. Preparation 5 samples Samples were prepared by 20195 GB/T .

6 Reagents and solutions

Unless otherwise indicated in the analysis using only pure class pure reagents or chromatography. 6.1 Water. comply with GB/T 6682 a water use. 6.2 Methanesulfonic acid (purity ≥99%). 6.3 chloroform. 6.4 Mobile phase. 1.5mmol/L aqueous solution of methanesulfonic acid. Weigh 2.88g mesylate (accurate to 0.01g), water volume to 1000mL, the concentration of 30mmol/L. Take 50mL The solution, water volume to 1000mL (pH = 2.8 ~ 3.0). 6.5 betaine (or a Betaine hydrochloride) Standard. greater than 98% purity. Betaine 6.6 standard stock solution. Accurately weigh 0.1000g dried at 105 ℃ betaine (or 0.1312g dried at 105 ℃ betaine hydrochloride) standard Goods in 100mL flask, water volume. The standard solution betaine concentration of 1mg/mL. 4 ℃ refrigerator, valid for two Months. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 23710-2009_English be delivered?

Answer: Upon your order, we will start to translate GB/T 23710-2009_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 GB/T 23710-2009_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 23710-2009_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.