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GB/T 33390-2016 English PDF

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US$194.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 33390-2016: Footwear -- Critical substances potentially present in footwear and footwear components -- Test method to quantitatively determine dimethylformamide in footwear materials
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 33390-2016	194	Add to Cart	3 days	Footwear -- Critical substances potentially present in footwear and footwear components -- Test method to quantitatively determine dimethylformamide in footwear materials	Valid

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Basic data

Standard ID: GB/T 33390-2016 (GB/T33390-2016)
Description (Translated English): Footwear -- Critical substances potentially present in footwear and footwear components -- Test method to quantitatively determine dimethylformamide in footwear materials
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: Y78
Classification of International Standard: 61.060
Word Count Estimation: 10,157
Date of Issue: 2016-12-30
Date of Implementation: 2017-07-01
Regulation (derived from): National Standard Notice No.27 of 2016
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 33390-2016: Footwear -- Critical substances potentially present in footwear and footwear components -- Test method to quantitatively determine dimethylformamide in footwear materials

---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.
Footwear - Critical sperm in the footwear and footwear components - Test method to quantitatively determined dimethylformamide in footwear materials ICS 61.060 Y78 National Standards of People's Republic of China Footwear Footwear and footwear components in the presence of limited substances Determination of dimethylformamide (ISO /T S16189..2013, IDT) 2016-12-30 release 2017-07-01 implementation General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China China National Standardization Management Committee released

Foreword

This standard is drafted in accordance with the rules given in GB/T 1.1-2009. This standard uses the translation method equivalent to ISO /T S16189..2013 "footwear footwear and footwear components in the presence of limited substances two Determination of methyl formamide ". Please note that some of the contents of this document may involve patents. The issuer of this document does not assume responsibility for the identification of these patents. This standard is proposed by the China Light Industry Federation. This standard by the National Footwear Standardization Technical Committee (SAC/TC305) centralized. The drafting of this standard. Taijia (Taicang) Quality Technology Testing Center Co., Ltd., China Leather and Footwear Industry Research Institute, Dongguan City New Tiger Granville Industrial Co., Ltd. The main drafters of this standard. Yang Min, Huang Zhidin, Zhang Wenfu, Zhao Yang. Footwear Footwear and footwear components in the presence of limited substances Determination of dimethylformamide

1 Scope

This standard specifies the footwear and footwear components [such as a polyurethane (PU) coating material] dimethyl formamide (DMFo) content test methods. Note. In the footwear industry, PU in the injection molding (reaction molding) process does not require the use of DMFo. DMFo can be used for PU coating materials.

2 normative reference documents

The following documents are indispensable for the application of this document. For dated references, only the dated edition applies to this article Pieces. For undated references, the latest edition (including all modifications) applies to this document. GB/T 29292-2012 Footwear Footwear and footwear parts of the limited substances (ISO /T R16178..2012, IDT)

3 Principle of the method

The samples were cut into pieces and placed in a closed vial and extracted with methanol for 1 h in an ultrasonic bath at 70 ° C. Take a certain amount of extract GC-MS for analysis. The test materials involved in this method are shown in Table 1 of GB/T 29292-2012.

4 reagents and solutions

4.1 Reagents Table 1 lists the reagents used. Table 1 Reagent No. reagent CAS number a purity 1 dimethylformamide (DMFo) 68-12-2 standard 2 dimethylformamide-d7 (DMFo-d7) 4472-41-7 standard 3 Methanol 67-56-1 Analytical purity aCAS. Chemical Abstracts Index. 4.2 Reserve solution 4.2.1 Internal standard - stock solution (1000 mg/L) Weigh 10mg of DMFo-d7 in a 10mL volumetric flask, accurate to 0.1mg, with a volume of methanol, and then transferred to a PTFE Plug in a 10 mL brown bottle and stored at 4 ° C. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 33390-2016_English be delivered?

Answer: Upon your order, we will start to translate GB/T 33390-2016_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 33390-2016_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 33390-2016_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.