Home Cart Quotation Policy About-Us
www.ChineseStandard.net
SEARCH

SN/T 3794-2014 English PDF

Q: How long will the true-PDF of English version of SN/T 3794-2014 be delivered?

Upon your order, we will start to translate SN/T 3794-2014_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.

Q: Can I share the purchased PDF of SN/T 3794-2014_English with my colleagues?

Yes. The purchased PDF of SN/T 3794-2014_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Q: Does the price include tax/VAT?

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). Avoidance of Double Taxation Agreements (DTAs) between Singapore and 100+ Countries: https://www.iras.gov.sg/taxes/international-tax

Q: Do you accept my currency other than USD?

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.

US$209.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
SN/T 3794-2014: Determination of colourity of purified terephthalic acid for industrial use - Spectrophtometric method
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
SN/T 3794-2014	209	Add to Cart	3 days	Determination of colourity of purified terephthalic acid for industrial use - Spectrophtometric method	Valid

Similar standards

GB/T 6041 SH/T 1499.8 SH/T 1499.9 SN/T 5566 SN/T 5298 SN/T 3804

Basic data

Standard ID: SN/T 3794-2014 (SN/T3794-2014)
Description (Translated English): Determination of colourity of purified terephthalic acid for industrial use - Spectrophtometric method
Sector / Industry: Commodity Inspection Standard (Recommended)
Classification of Chinese Standard: G15
Classification of International Standard: 71.080
Word Count Estimation: 8,826
Quoted Standard: GB/T 3143-1982; GB/T 8170
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 spectrophotometric method for industrial use PTA chromaticity. This standard applies to industrial purified terephthalic acid (5 g/100 mL N, N- dimethyl formamide solution) measured chromaticity.

SN/T 3794-2014: Determination of colourity of purified terephthalic acid for industrial use - Spectrophtometric 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.
(Industrial PTA Chroma - Determination - spectrophotometry) People's Republic of China Entry-Exit Inspection and Quarantine Standards Determination of terephthalic acid for industrial use fine chroma 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 GB/T 1.1-2009 given rules. This standard is proposed and managed by the National Certification and Accreditation Administration Committee. This standard was drafted. People's Republic of China Ningbo Exit Inspection and Quarantine. The main drafters of this standard. Lin Zhenxing, Wu bud, Huazheng Jiang, Yuxiong Fei, Xushan Hao, Wang Hao. Determination of terephthalic acid for industrial use fine chroma

1 Scope

This standard specifies the spectrophotometric method for industrial use PTA chromaticity. This standard applies to industrial use terephthalic acid (5g/100mLN, N- dimethyl formamide solution) measured chromaticity fine.

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 3143-1982 Determination of color liquid chemicals (Hazen unit --- platinum - cobalt color number) GB/T 8170 repair value expressed about the rules and limit values and judgment

3 Method summary

A sample dubbed 5g/100mLN, N- dimethylformamide (DMF) solution, after filtration, the absorbance was measured at 390nm wavelength Degree, the absorbance multiplied by a constant in terms of Hazen unit --- 150 platinum - cobalt color number color.

4 Reagents and materials

N, N- dimethylformamide, AR. 5. Apparatus 5.1 Spectrophotometer. with 5cm cuvette. 5.2 Balance. a sense of the amount of 0.01g. 5.3 Ultrasonic instrument. frequency 53Hz. 5.4 glass flask. 25mL. Step 6 Analysis 6.1 Determination of the absorbance of the blank DMF The N, N- dimethylformamide injection 5cm cuvette at 390nm wavelength measured absorbance A0. 6.2 Determination of sample absorbance Weigh 1.25g of purified terephthalic acid sample (accurate to 0.01g), pour pre-loaded with 15mL ~ 20mLDMF capacity of 25mL Flask, and shake to dissolve, and then the flask placed in an ultrasonic vessel ultrasonic oscillations dissolved. After the sample is thoroughly dissolved in DMF ......

Image

Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of SN/T 3794-2014_English be delivered?

Answer: Upon your order, we will start to translate SN/T 3794-2014_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 3794-2014_English with my colleagues?

Answer: Yes. The purchased PDF of SN/T 3794-2014_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.