Home Cart Quotation About-Us
www.ChineseStandard.net
SEARCH

GB/T 23890-2009 English PDF

Q: How long will the true-PDF of English version of GB/T 23890-2009 be delivered?

Upon your order, we will start to translate GB/T 23890-2009_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.

Q: Can I share the purchased PDF of GB/T 23890-2009_English with my colleagues?

Yes. The purchased PDF of GB/T 23890-2009_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Q: Does the price include tax/VAT?

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). Avoidance of Double Taxation Agreements (DTAs) between Singapore and 100+ Countries: https://www.iras.gov.sg/taxes/international-tax

Q: Do you accept my currency other than USD?

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.

US$189.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 23890-2009: Rapid determination of erucic acid and glucosinolate in rapeseed -- Photometry
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 23890-2009	189	Add to Cart	3 days	Rapid determination of erucic acid and glucosinolate in rapeseed -- Photometry	Valid

Similar standards

GB/T 23347 GB/T 24892 GB/T 24304 GB/T 45319 GB/T 24894 GB/T 21121

Basic data

Standard ID: GB/T 23890-2009 (GB/T23890-2009)
Description (Translated English): Rapid determination of erucic acid and glucosinolate in rapeseed -- Photometry
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: X14
Classification of International Standard: 67.200.10
Word Count Estimation: 8,813
Date of Issue: 2009-05-26
Date of Implementation: 2009-10-01
Regulation (derived from): PRC National Standard Approval Announcement 2009 No.7 (Total No.147)
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 erucic acid rapeseed, glucosinolate content measured by spectrophotometry. This standard applies to commodity canola seeds and seed erucic acid, rapid detection of glucosinolate content.

GB/T 23890-2009: Rapid determination of erucic acid and glucosinolate in rapeseed -- Photometry

---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.
Rapid determination of erucic acid and glucosinolate in rapeseed. Photometry ICS 67.200.10 X14 National Standards of People's Republic of China Determination of the erucic acid rapeseed and glucosinolates spectrophotometry Posted 2009-05-26 2009-10-01 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 and Appendix B is an informative annex. This standard is proposed and managed by the People's Republic of China Ministry of Agriculture. This standard was drafted. Oil and the Ministry of Agriculture Products Quality Supervision and Testing Center, Oil Crops Research Institute of Chinese Academy of Agricultural Sciences. The main drafters of this standard. Li Peiwu, Zhang, Jiangsu and Chongqing, Li Guangming, Wangxue Fang, Xie Lihua, Wang Youping. Determination of the erucic acid rapeseed and glucosinolates spectrophotometry

1 Scope

This standard specifies the erucic acid rapeseed, glucosinolate content determined by spectrophotometry. This standard applies to quick detection of canola seed and commercial seed erucic acid, glucosinolate content. The minimum detection limit of the method. 0.5% erucic acid, glucosinolate of 10μmol/g.

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. GB 5491 grain and oilseeds testing for sampling, and sample method Laboratory use specifications and test methods GB/T 6682 Analysis

3 Terms and Definitions

The following terms and definitions apply to this standard. 3.1 Rapeseed oil contained a cis Δ13- docosenoic acid, the fatty acid composition of the share percentages are expressed. 3.2 Micromoles of glucosinolates contained rapeseed, called glucosinolates per gram or per gram of rapeseed meal in the total amount of sulfur glycoside FIG. Principle 4 4.1 Determination of erucic principle Erucic acid rapeseed oil is different, different turbidity in polyethylene glycol octylphenyl ether ethanol solution to form, according to the turbidity and erucic acid containing Determination of correlation between the amount of erucic acid. 4.2 Determination of glucosinolates principle Rapeseed glucosinolates Aspergillus oryzae glucosinolates hydrolase reacts with glucosinolates degradation products, and o-methyl aniline ethanol solution generated with special Intrinsic absorption of a colored product, the use of spectrophotometric determination of glucosinolate content.

5 Reagents

Unless otherwise specified, the reagents used were of analytical grade reagents. 5.1 Water, GB/T 6682, Grade 2. 5.2 ultra-pure water, GB/T 6682, level. 5.3 polyethylene glycol octylphenyl ether (C34H62O11) ethanol solution. 10mg/mL. Weigh 10.0g polyethylene glycol octylphenyl ether None Aqueous ethanol solution and dilute to 1000mL. 5.4 potassium dihydrogen sulfate (of KH2PO4) solution. 0.1mol/L. Weigh 1.36g potassium dihydrogen phosphate dissolved in distilled water and dilute to 100mL. ......

Image

Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 23890-2009_English be delivered?

Answer: Upon your order, we will start to translate GB/T 23890-2009_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 23890-2009_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 23890-2009_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.