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GB/T 34673-2017 English PDF

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US$199.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 34673-2017: Determination of 9 heavy metal contents in textile dyeing and finishing auxiliaries
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 34673-2017	199	Add to Cart	3 days	Determination of 9 heavy metal contents in textile dyeing and finishing auxiliaries	Valid

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Basic data

Standard ID: GB/T 34673-2017 (GB/T34673-2017)
Description (Translated English): Determination of 9 heavy metal contents in textile dyeing and finishing auxiliaries
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: G70
Classification of International Standard: 71.100.40
Word Count Estimation: 10,186
Date of Issue: 2017-11-01
Date of Implementation: 2018-05-01
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

GB/T 34673-2017: Determination of 9 heavy metal contents in textile dyeing and finishing auxiliaries

---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 9 heavy metal contents in textile dyeing and finishing auxliaries ICS 71.100.40 G70 National Standards of People's Republic of China 9 kinds of textile finishing agent products Determination of heavy metals content Posted.2017-11-01 2018-05-01 implementation General Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China China National Standardization Administration released

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard proposed by the China Petroleum and Chemical Industry Federation. This standard by the National Standardization Technical Committee Dyeing and Printing Auxiliary Technical Committee (SAC/TC134/SC1) centralized. This standard drafting unit. Chuanhua Zhi Lian Co., Ltd., Zhejiang Province Institute of Inspection and Quarantine Science and Technology, Hangzhou Chuanhua Fine Chemical Co., Ltd. Limited company, Guangdong Germany and the United States Fine Chemical Industry Group Co., Ltd. The main drafters of this standard. Xie Weibin, Liu Ting, Wu Jian Jian, Zhao Shan red, Zhao Ting, Zhao Mei, Yuan Biyun, Guo Yuliang, Chen Zufen.

9 kinds of textile finishing agent products

Determination of heavy metals content Warning --- personnel using this standard should have formal laboratory work experience. This standard does not indicate all possible safety issues question. It is the user's responsibility to take appropriate safety and health measures and to ensure compliance with the requirements of the relevant state laws and regulations.

1 Scope

This standard specifies the arsenic (As), cadmium (Cd), cobalt (Co), chromium (Cr), copper (Cu), nickel (Ni), lead (Pb) Antimony (Sb), mercury (Hg) 9 kinds of determination of heavy metal content. This standard applies to all kinds of textile dyeing and finishing auxiliaries in the determination of 9 kinds of heavy metal content.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version applies to this article Pieces. For undated references, the latest edition (including all amendments) applies to this document. GB/T 6682 analytical laboratory water specifications and test methods GB/T 8170 rounded repair rules and limit values of the representation and judgment Inductively coupled plasma atomic emission spectrometry for the determination of eight heavy metal contents 3.1 principle After acid digestion of the sample, using inductively coupled plasma atomic emission spectrometry at the appropriate analysis wavelength determination of digestion solution of lead, cadmium, arsenic, Copper, cobalt, nickel, chromium, antimony eight kinds of heavy metal emission intensity, control standard working curve to determine the concentration of various heavy metal elements, calculated Sample digestion heavy metal total. 3.2 Reagents and materials Unless otherwise specified, only the use of excellent grade pure reagent and in line with GB/T 6682 in a water. 3.2.1 nitric acid .65% ~ 68% (mass fraction). 3.2.2 hydrogen peroxide .30% (mass fraction). 3.2.3 borofluoride .49.5% ~ 50.5% (mass fraction). 3.2.4 sodium hydroxide solution, 100g/L. 3.2.5 nitric acid solution (19). Measure 100mL of nitric acid (3.2.1), slowly pour 900mL water, and mix. 3.2.6 hydrochloric acid solution .10% (mass fraction). 3.2.7 single element standard stock solution The standard stock solution of each element can be used standard materials or formulated as follows. a) Arsenic (As) standard stock solution (100 μg/mL) Weigh 0.132 g of arsenic trioxide dried to constant weight in a sulfuric acid dryer, Warmly dissolved in 1.2mL sodium hydroxide solution (3.2.4), transferred to 1000mL volumetric flask, diluted to the mark. b) Standard stock solution of cadmium (100μg/mL) Weigh 0.203g of cadmium chloride (CdCl2 · 5/2H2O), dissolve in water, 1000mL volumetric flask, diluted to the mark. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 34673-2017_English be delivered?

Answer: Upon your order, we will start to translate GB/T 34673-2017_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 34673-2017_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 34673-2017_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.