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GB/T 14454.15-2008 English PDF

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Q: Should I purchase the latest version GB/T 14454.15-2008?

Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 14454.15-2008 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.

US$279.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 14454.15-2008: Oil of sassafras -- Determination of safrole and isosafrole content -- Gas chromatographic method on packed columns
Status: Obsolete

GB/T 14454.15: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 14454.15-2008	279	Add to Cart	3 days	Oil of sassafras -- Determination of safrole and isosafrole content -- Gas chromatographic method on packed columns	Obsolete
GB/T 14454.15-1993	199	Add to Cart	2 days	Oil of sassafras. Determination of safrole and isosafrole content. Gas chromatographic method on packed columns	Obsolete

Similar standards

GB/T 14454.1 GB/T 14454.2 GB/T 14454.4 GB/T 14454.6 GB/T 14454.7 GB/T 14454.12

Basic data

Standard ID: GB/T 14454.15-2008 (GB/T14454.15-2008)
Description (Translated English): Oil of sassafras -- Determination of safrole and isosafrole content -- Gas chromatographic method on packed columns
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: Y41
Classification of International Standard: 71.100.60
Word Count Estimation: 7,727
Date of Issue: 2008-07-15
Date of Implementation: 2008-11-01
Older Standard (superseded by this standard): GB/T 14454.15-1993
Quoted Standard: GB/T 11539; GB/T 14454.1
Adopted Standard: ISO 7355-1985, MOD
Regulation (derived from): National Standard Approval Announcement 2008 No.12 (Total No.125)
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 the content of sassafras oil safrole and safrole vary by packed column gas chromatography. This section applies to the determination of safrole and safrole different content in sassafras oil.

GB/T 14454.15-2008: Oil of sassafras -- Determination of safrole and isosafrole content -- Gas chromatographic method on packed columns

---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.
Oil of sassafras. Determination of safrole and isosafrole content. Gas chromatographic method on packed columns ICS 71.100.60 Y41 National Standards of People's Republic of China Replacing GB/T 14454.15-1993 Determination of sassafras safrole and safrole exclusive content Packed Column Gas Chromatography (ISO 7355. 1985, Oilsofsassafrasandnutmeg- Gaschromatographicmethodonpackedcolumns, MOD) Posted 2008-11-01 2008-07-15 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

GB/T 14454 "spice general test method" consists of the following components. --- Part 1. perfume sample preparation; --- Part 2. spice aroma evaluation method; --- Part 4. Determination of the refractive index of spices; --- Part 5. Determination of optical rotation of spices; --- Part 6. assessment perfume evaporation residue content; --- Part 7. Determination of spices freezing point; --- Part 11. Determination of phenol content of spices; --- Part 12. Determination of trace chlorine spices; --- Part 13. Determination of carbonyl value and carbonyl compounds content; --- Part 14. Preparation of spices standard solution, the test solution and the indicator solution; --- Part 15. Determination of sassafras safrole and safrole exclusive content packed column gas chromatography. This is Part 15 GB/T 14454 of. The partial modification of international standards ISO 7355. 1985 "sassafras and nutmeg oil safrole and cis, trans - different safrole content measured Given Packed Column Gas Chromatography. " This part of ISO 7355. 1985 as compared to the main technical differences are as follows. --- Increasing the reference retention index; --- Remove the ISO 7355. 1985 superposition method. This part is GB/T 14454.15-1993 "sassafras safrole and safrole different Determination of Packed Column Gas Chromatography Amendment Act ". This section compared with the GB/T 14454.15-1993, mainly made editorial changes. Appendix A of this section is an informative annex. This part is proposed by the China National Light Industry Council. This part of the National Fragrance Flavor and Cosmetic Standardization Technical Committee. This section is responsible for drafting the Shanghai Institute of spices. The main drafters of this section. Jinqi Zhang, Xu Yi, Cao Yi.

Introduction

Since the description of gas chromatography is very lengthy, so that the following approach is useful. On the one hand the development of common methods, pointed out that Detailed information about the common parameters, equipment, products, methods, formulas, and other aspects; the other hand, the determination to develop a more specific brief essential oil component Standard, given only for specific operating conditions. This section references General Standard GB/T 11539 General Chapter "spice Packed Column Gas Chromatography common law". Determination of sassafras safrole and safrole exclusive content Packed Column Gas Chromatography

1 Scope

This section GB/T 14454 specifies the determination of the oil content of sassafras safrole and iso-safrole by packed column gas chromatography. This section applies to the determination of safrole and safrole different content in sassafras oil.

2 Normative references

The following documents contain provisions which, through reference GB/T 14454 in this section constitute provisions of this section. For dated reference documents Member, all subsequent amendments (not including errata content) or revisions do not apply to this section. However, under this part are encouraged to reach Parties to research agreement to use the latest versions of these documents. For undated reference documents, the latest versions apply to this section. GB/T 11539 Spices Packed Column Gas Chromatography common method (GB/T 11539-2008, ISO 7359. 1985, IDT) GB/T 14454.1 perfume sample preparation (GB/T 14454.1-2008, ISO 356.1996, MOD) Principle 3 A small amount of sassafras oil under specified conditions, with a packed column gas chromatography analysis. Determination of safrole and safrole-exclusive content by the internal standard method.

4 Reagents and products

4.1 reference material 4.1.1 safrole Freshly distilled, under the test conditions determined by gas chromatography purity of at least 95%, about 100mg/L ethanol standard solution. 4.1.2 Isosafrole (cis and trans isomer mixture) Under the experimental conditions determined by gas chromatography purity of at least 95% (cis and trans isomers peaks), about 100mg/L ethanol standard solution, Refrigerated freshly prepared and protected from light. 4.2 Internal Standard Freshly distilled ethyl decanoate, under the test conditions determined by gas chromatography purity of at least 95%, 100mg/L ethanol solution. 4.3 Solvent Ethanol, under the test conditions without interference of impurities.

5 Instruments

5.1 chromatograph, recorder and integrator See GB/T 11539. 5.2 column Length 3m ~ 4m, the inner diameter of 3mm ~ 4mm. Stationary Phase. Polyethylene glycol 20000. 5.3 Detector Hydrogen flame ionization detector. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 14454.15-2008_English be delivered?

Answer: Upon your order, we will start to translate GB/T 14454.15-2008_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 14454.15-2008_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 14454.15-2008_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.

Question 5: Should I purchase the latest version GB/T 14454.15-2008?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 14454.15-2008 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.