SN/T 4569-2016 English PDF

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SN/T 4569-2016: Determination of methanol, ethanol, 1-propanol, 2-propanol, 1-butanol, isobutanol, tert-butanol and 2-butanol in biodiesel--Gas chromatography
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
SN/T 4569-2016	229	Add to Cart	3 days	Determination of methanol, ethanol, 1-propanol, 2-propanol, 1-butanol, isobutanol, tert-butanol and 2-butanol in biodiesel--Gas chromatography	Valid

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Basic data

Standard ID: SN/T 4569-2016 (SN/T4569-2016)
Description (Translated English): Determination of methanol, ethanol, 1-propanol, 2-propanol, 1-butanol, isobutanol, tert-butanol and 2-butanol in biodiesel--Gas chromatography
Sector / Industry: Commodity Inspection Standard (Recommended)
Classification of Chinese Standard: E31
Word Count Estimation: 10,166
Date of Issue: 2016-08-23
Date of Implementation: 2017-03-01
Regulation (derived from): State-Quality-Inspection-Certification (2016)438
Issuing agency(ies): General Administration of Customs

SN/T 4569-2016: Determination of methanol, ethanol, 1-propanol, 2-propanol, 1-butanol, isobutanol, tert-butanol and 2-butanol in biodiesel--Gas 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 methanol, ethanol, 1-propanol, 2-propanol, 1-butanol, isobutanol, tert-butanol and 2-butanol in biodiesel--Gas chromatography China's entry-exit inspection and quarantine industry standards Biodiesel in methanol, ethanol, n-propanol, isopropanol, Determination of n-butanol, isobutanol, tert-butanol and sec-butanol Gas chromatography Isobutanol, tert-butanoland2-butanolinbiodiesel- Published on.2016-08-23 2017-03-01 Implementation China The State Administration of Quality Supervision, Inspection and Quarantine issued

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard is proposed and managed by the National Certification and Accreditation Regulatory Commission. This standard is drafted by the People's Republic of China Tianjin Entry-Exit Inspection and Quarantine Bureau. The main drafters of this standard. Yan Sha, Wang Sumei, Gao Bo, Wang Jing. Biodiesel in methanol, ethanol, n-propanol, isopropanol, Determination of n-butanol, isobutanol, tert-butanol and sec-butanol Gas chromatography

1 Scope

This standard specifies the gas chromatographic method for the determination of C1~C48 alcohols in biodiesel. This standard applies to the determination of methanol, ethanol, n-propanol, isopropanol, n-butanol, isobutanol, t-butanol, and sec-butanol in biodiesel.

2 Method summary

The sample was quantitatively dissolved in dichloromethane by means of solvent dilution. Analysis of Alcohols in Biodiesel by Gas Chromatography Quantity, external standard method.

3 Reagents and materials

3.1 Anhydrous sodium sulphate. pure grade, burn for 4 hours at 650°C, cool to room temperature in a desiccator, sealed and stored for future use. 3.2 Dichloromethane. Chromatographically pure. 3.3 Methanol standard (CAS67-56-1), purity ≥ 99.5%. 3.4 Ethanol standard (CAS64-17-5), purity ≥ 99.5%. 3.5 N-propanol standard (CAS71-23-8), purity ≥ 99.5%. 3.6 isopropyl alcohol standard (CAS67-63-0), purity ≥ 99.5%. 3.7 n-butanol standard (CAS71-36-3), purity ≥ 99.5%. 3.8 isobutanol standard (CAS78-83-1), purity ≥ 99.5%. 3.9 tert-butanol standard (CAS75-65-0), purity ≥ 99.5%. 3.10 sec-butanol standard (CAS78-98-2), purity ≥ 99.5%. 3.11 standard solution (currently used). Accurately weigh 0.10g (accurate to 0.0001g) of 8 alcohol standard samples into 100mL volume In a bottle, dissolve with dichloromethane to reach a constant volume. This solution contains 8 alcohols each 1000 mg/L. 3.12 standard working solution (currently used). Pipette 150μL,.200μL, 400μL, 600μL, and 800μL, respectively, with a micropipette. 1000 μL of standard solution (3.11) into a 10 mL volumetric flask and dilute to volume with methylene chloride to a concentration of 15 mg/L, 20 mg/L, 40 mg/L, 60 mg/L, 80 mg/L, 100 mg/L standard working solution. 3.13 Organic phase filter. 0.45 μm. 3.14 disposable syringe. 5mL.

4 Instruments and Equipment

4.1 Gas chromatograph. with FID detector. 4.2 Capillary column. DB-624 (6% cyanopropyl 94% methyl polysiloxane), 30 m x 0.25 mm x 0.25 μm, or equivalent. 4.3 Micropipettes. 100μL~1000μL. ......

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