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GB/T 27580-2011 English PDF

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US$134.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 27580-2011: Essential oils and aromatic extracts -- Determination of residual benzene content
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 27580-2011	134	Add to Cart	3 days	Essential oils and aromatic extracts -- Determination of residual benzene content	Valid

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Basic data

Standard ID: GB/T 27580-2011 (GB/T27580-2011)
Description (Translated English): Essential oils and aromatic extracts -- Determination of residual benzene content
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: Y41
Classification of International Standard: 71.100.60
Word Count Estimation: 7,794
Date of Issue: 2011-12-05
Date of Implementation: 2012-03-01
Quoted Standard: GB/T 11538; GB/T 14454.1
Adopted Standard: ISO 14714-1998, IDT
Regulation (derived from): Announcement of Newly Approved National Standards No. 19 of 2011
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 static headspace gas chromatography method for the determination of essential oils and aromatic extracts residual trace benzene. This standard applies to residual benzene concentration of about 10 �� 1000000/1 (10 ppm) samples.

GB/T 27580-2011: Essential oils and aromatic extracts -- Determination of residual benzene content

---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.
Essential oils and aromatic extracts. Determination of residual benzene content ICS 71.100.60 Y41 National Standards of People's Republic of China Determination of essential oils and aromatic extracts residual benzene content (ISO 14714.1998, IDT) Issued on. 2011-12-05 2012-03-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

This standard was drafted in accordance with GB/T 1.1-2009 given rules. This standard uses the translation method identical with the international standard ISO 14714.1998 "essential oils and aromatic extracts - Determination of residual benzene content." Correspondence between the consistency of the standards of international documents and normative references of the following documents. --- GB/T 11538-2006 "oil by capillary column gas chromatography - General method" (ISO 7609. 1985, IDT); --- GB/T 14454.1-2008 "perfume sample preparation" (ISO 356.1996, MOD). The standard proposed by China National Light Industry Council. This standard by the National Standardization Technical Committee of Fragrance Flavor and Cosmetic (SAC/TC257) centralized. This standard was drafted. Shanghai Institute of spices, spice Shanghai Huasheng Co., Epristeride spices Group Co., Ltd. The main drafters of this standard. Wu Xiaojian, Jinqi Zhang, Zhou Wenyong, Hu Yongcheng, Li Qiong, Xu Yi, Ye Fan, INDUSTRY AND. Determination of essential oils and aromatic extracts residual benzene content

1 Scope

This standard specifies the determination of essential oils and aromatic extracts residual traces of benzene by static headspace gas chromatography. This standard applies to the analysis of the residual benzene concentration of about 10 × 10-6 (10ppm) samples.

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. GB/T 11538 oils by capillary column gas chromatography - General method (ISO 7609. 1985, IDT) GB/T 14454.1 perfume sample preparation (ISO 356.1996, MOD) Principle 3 The analysis of static headspace vapor by capillary column gas chromatography with either flame ionization detector is also available mass spectrometer. Determination of residual benzene content by external standard method (by correcting).

4 Reagents

4.1 reference material Benzene by gas chromatographic assay purity of at least 99%. 4.2 Diethyl phthalate Confirmed free of trace amounts of benzene under the conditions tested.

5 Instruments

5.1 chromatograph, recorder and integrator According to GB/T 11538 requirements. 5.2 capillary column with the following features. --- Column length. 30m ~ 60m; --- Inner diameter. 0.20mm ~ 0.50mm; --- Stationary phase. recommended polydimethylsiloxane type. 5.3 flame ionization detector or mass spectrometer detector 5.4 Air Sampler for Headspace steam injection, constituted by a 5.4.1 or 5.4.2. 5.4.1 gas injection system (manual), with leak-proof locks. 5.4.2 autosampler device. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 27580-2011_English be delivered?

Answer: Upon your order, we will start to translate GB/T 27580-2011_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 27580-2011_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 27580-2011_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.