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SN/T 3807-2014 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.
SN/T 3807-2014: Determination of purity of Phthalic anhydride - Differential scanning calorimetry(DSC)
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
SN/T 3807-2014	209	Add to Cart	3 days	Determination of purity of Phthalic anhydride - Differential scanning calorimetry(DSC)	Valid

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Basic data

Standard ID: SN/T 3807-2014 (SN/T3807-2014)
Description (Translated English): Determination of purity of Phthalic anhydride - Differential scanning calorimetry(DSC)
Sector / Industry: Commodity Inspection Standard (Recommended)
Classification of Chinese Standard: G17
Classification of International Standard: 71.080.50
Word Count Estimation: 8,875
Quoted Standard: GB/T 19466.1-2004; ASTM E 793
Regulation (derived from): AQSIQ notification issued in 2014 on the first batch of 230 industry-standard entry-exit inspection and quarantine
Issuing agency(ies): General Administration of Customs
Summary: This standard specifies the phthalic anhydride purity of differential scanning calorimetry. This standard applies to phthalic anhydride (purity greater than 98.5%) of purity determination.

SN/T 3807-2014: Determination of purity of Phthalic anhydride - Differential scanning calorimetry(DSC)

---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.
(Phthalic anhydride purity - Determination - differential scanning calorimetry) People's Republic of China Entry-Exit Inspection and Quarantine Standards Determination of phthalic anhydride purity Differential scanning calorimetry Differentialscanningcalorimetry (DSC) Issued on. 2014-01-13 2014-08-01 implementation People's Republic of China The State Administration of Quality Supervision, Inspection and Quarantine released

Foreword

This standard was drafted in accordance with the rules of GB/T 1.1-2009 given. This standard technical reference adopted ASTME928-2008 "Standard Test Method for differential scanning calorimetry determination of purity," A Method of This standard is proposed and managed by the National Certification and Accreditation Administration Committee. This standard was drafted. People's Republic of China Guangdong CIQ, People's Republic of China Shandong Entry-Exit Inspection and Quarantine Bureau. The main drafters of this standard. Lee Jun, Lin Hua, Zhu Hui Hung, Wen Jianchang, Liu Sheng, Andrew, Yuyin Hao, Lin Yu Fei, Zhai Cuiping, Zheng Jianguo. Determination of phthalic anhydride purity Differential scanning calorimetry

1 Scope

This standard specifies the phthalic anhydride purity of differential scanning calorimetry. This standard applies to phthalic anhydride (purity greater than 98.5%) of purity determination.

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 19466.1-2004 plastic differential scanning calorimetry (DSC) - Part 1. General (ISO 11357-1.1997, IDT) Standard Test Method for Measurement ASTME793 melting and crystallization enthalpy by differential scanning calorimetry (StandardTestMethod forEnthalpiesofFusionandCrystalizationbyDifferentialScanningCalorimetry)

3 Method summary

With a differential scanning calorimeter measurement of phthalic anhydride under a nitrogen atmosphere enthalpy with temperature changes, enthalpy - temperature curve plot Points obtained during the phase transition enthalpy of the phase transition in a temperature enthalpy programmatic processing of the sample to calculate the content of impurities, To give phthalic anhydride purity.

4 Materials and equipment

4.1 n-hexane, chromatography. 4.2 Indium. purity of not less than 99.99%. 4.3 Nitrogen. purity of not less than 99.99%. 4.4 differential scanning calorimeter. in line with GB/T 19466.1-2004 specified in 5.1 a differential scanning calorimeter. Differential calorimeter must Maintaining the standard room temperature in laboratory operations. Ventilation should avoid direct sunlight and sudden temperature changes. 4.5 balance. weighing accuracy of ± 0.00001g. 4.6 Sample dish. in line with GB/T 19466.1-2004 provisions of 5.2.

5 Calibration

As recommended by the instrument manufacturer's calibration calorimeter. Recommended test substance analytically pure indium temperature range accuracy. Step 6 Analysis 6.1 Before the test pans required cleaning solvent such as hexane, until the solvent is completely evaporated, at 400 ℃ in a high temperature furnace heating 1min, cooling, Into the dryer within the reserve. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of SN/T 3807-2014_English be delivered?

Answer: Upon your order, we will start to translate SN/T 3807-2014_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 SN/T 3807-2014_English with my colleagues?

Answer: Yes. The purchased PDF of SN/T 3807-2014_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.