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GB/T 23405-2009 English PDF

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US$209.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 23405-2009: Determination of sodium cyclamate in bee products -- LC-MS/MS Method
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 23405-2009	209	Add to Cart	3 days	Determination of sodium cyclamate in bee products -- LC-MS/MS Method	Valid

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Basic data

Standard ID: GB/T 23405-2009 (GB/T23405-2009)
Description (Translated English): Determination of sodium cyclamate in bee products -- LC-MS/MS Method
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: B47
Classification of International Standard: 67.050
Word Count Estimation: 9,992
Date of Issue: 2009-03-28
Date of Implementation: 2009-07-01
Regulation (derived from): National Standard Approval Announcement 2009 No.4 (Total No.144)
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 bee sodium cyclamate liquid chromatography-Determination of MS/MS. This standard applies to the determination of honey and royal jelly sodium cyclamate.

GB/T 23405-2009: Determination of sodium cyclamate in bee products -- 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 sodium cyclamate in bee products. LC-MS/MS Method ICS 67.050 B47 National Standards of People's Republic of China Determination bee sodium cyclamate Liquid chromatography - mass spectrometry/mass spectrometry Posted 2009-03-28 2009-07-01 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 State Administration of Quality Supervision Inspection and Quarantine of People's Republic of China. This standard was drafted. People's Republic of China Jiangsu Entry-Exit Inspection and Quarantine Bureau. The main drafters of this standard. Lin Hong, Zhao Yun increase, Zhang Jing, Chen Huilan, Shen Chong-yu, Yang Annan, Ligong Hai, Jiang Yuan, Wang Jin Tao. Determination bee sodium cyclamate Liquid chromatography - mass spectrometry/mass spectrometry

1 Scope

This standard specifies the bee sodium cyclamate liquid chromatography - Determination of MS/MS. This standard applies to the determination of honey and royal jelly sodium cyclamate.

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/T 6682 analytical laboratory use specifications and test methods (GB/T 6682-2008, ISO 3696. 1987, MOD)

3 Method summary

Honey samples were dissolved in hydrochloric acid, royal jelly samples were extracted with acetonitrile and concentrated hydrochloric acid was dissolved by using weak anion exchange column purification, liquid chromatography Spectrum - tandem mass spectrometry, external standard.

4 Reagents and materials

Unless otherwise noted, all reagents were of analytical grade water as a water GB/T 6682 regulations. 4.1 acetonitrile. 4.2 Methanol. HPLC grade. Ammonia 4.3. content of 25% to 28%. 4.4 HCl. content of 36% to 38%. 4.5 5% ammonia - methanol solution (5 + 95, by volume). Measure 25mL ammonia (4.3) was added to 475mL of methanol (4.2) and shake. 4.6 0.1mol/L hydrochloric acid solution. Using a graduated cylinder measure 8.3mL of hydrochloric acid (4.4) in 1L flask, dilute to 1L. 4.7 sodium cyclamate (sodiumcyclamate, CAS No. 139-05-9) standard substance. purity of greater than or equal to 98%. 4.8 sodium cyclamate standard stock solution. 1.0mg/mL. Accurately weighed amount of sodium cyclamate standard (4.7) with methanol (4.2) standard stock solution dubbed 1.0mg/mL of. Stock solution stored at 4 ℃ refrigerator, valid for one year. 4.9 sodium cyclamate standard solution. methanol - water (3 + 7, by volume) to sodium cyclamate standard stock solution (4.8) was diluted to a concentration formulated 200ng/mL, working standard 100ng/mL, 50ng/mL, 20ng/mL, 10ng/mL, 5ng/mL of Solution, used to draw the standard curve. 4.10 weak anion exchange columns. 60mg, 3mL cartridges, or equivalent person. 5. Apparatus 5.1 Liquid chromatography - mass spectrometry/mass spectrometry (Quadrupole). equipped with electrospray ionization source. 5.2 Analysis of balance. a sense of volume, respectively 0.01g and 0.1mg. 5.3 nitrogen blowing instrument. 5.4 Vortex device. 5.5 high-speed centrifuges. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 23405-2009_English be delivered?

Answer: Upon your order, we will start to translate GB/T 23405-2009_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 23405-2009_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 23405-2009_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.