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

GB/T 29493.5-2013 English PDF

Q: How long will the true-PDF of English version of GB/T 29493.5-2013 be delivered?

Upon your order, we will start to translate GB/T 29493.5-2013_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 GB/T 29493.5-2013_English with my colleagues?

Yes. The purchased PDF of GB/T 29493.5-2013_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$169.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 29493.5-2013: Determination of harmful substances in textile dyeing and finishing auxiliaries -- Part 5: Determination of formaldehyde in emulsion polymers
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 29493.5-2013	169	Add to Cart	3 days	Determination of harmful substances in textile dyeing and finishing auxiliaries -- Part 5: Determination of formaldehyde in emulsion polymers	Valid

Similar standards

GB/T 29493.3 GB/T 29493.4 GB/T 29493.1 GB/T 29493.9 GB/T 29493.6

Basic data

Standard ID: GB/T 29493.5-2013 (GB/T29493.5-2013)
Description (Translated English): Determination of harmful substances in textile dyeing and finishing auxiliaries -- Part 5: Determination of formaldehyde in emulsion polymers
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: G70
Classification of International Standard: 71.100.40
Word Count Estimation: 7,731
Quoted Standard: GB/T 2912.1-2009; GB/T 6682-2008; GB/T 8170-2008
Regulation (derived from): National Standards Bulletin 2013 No. 2
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
Summary: This standard specifies the emulsion polymers in the textile dyeing and finishing auxiliaries Determination of free formaldehyde content. This section applies to the emulsion polymers of textile dyeing and finishing auxiliaries (mainly refers to acrylate,

GB/T 29493.5-2013: Determination of harmful substances in textile dyeing and finishing auxiliaries -- Part 5: Determination of formaldehyde in emulsion polymers

---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 harmful substances in textile dyeing and fininshing auxiliaries Part 5. Determination of formaldehyde in emulsion polymers ICS 71.100.40 G70 National Standards of People's Republic of China Determination of the textile dyeing and finishing auxiliaries harmful substances Part 5. free formaldehyde in the emulsion polymer Determination of Part 5. Determinationoffreeformaldehydeinemulsionpolymers Issued on. 2013-02-07 2013-09-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

GB/T 29493 "textile dyeing and finishing auxiliaries of harmful substances Determination" is divided into nine sections. --- Part 1. Determination of polybrominated biphenyls and polybrominated diphenyl ethers by gas chromatography - mass spectrometry; --- Part 2. perfluorooctane sulfonate (PFOS) and perfluorooctanoic acid (PFOA) High performance liquid chromatography - mass Spectroscopy; --- Part 3. organotin compounds by gas chromatography - mass spectrometry; --- Part 4. polycyclic aromatic compounds (PAHs) by gas chromatography - mass spectrometry; --- Part 5. Determination of the formaldehyde content of the emulsion polymer free; --- Part 6. polyurethane prepolymer isocyanate determination of the ester group content; --- Part 7. polyurethane coating finishing agent diisocyanate determination ester monomer; --- Part 8. Determination of acrylic products in the residual monomers; --- Part 9. Determination of acrylamide. This is Part 5 GB/T 29493 of. This section drafted in accordance with GB/T 1.1-2009 given rules. This part is proposed by the China Petroleum and Chemical Industry Association. This part of the National Standardization Technical Committee of dye auxiliaries Technical Committee (SAC/TC134/SC1) centralized. This section is drafted. Biography of Hangzhou Fine Chemical Co., Ltd., Zhejiang Chuan Co., Ltd., Zhejiang University. The main drafters of this section. Hongmei, Zhao Ting, Wang Shengpeng, Wei Yan. Determination of the textile dyeing and finishing auxiliaries harmful substances Part 5. free formaldehyde in the emulsion polymer Determination of

1 Scope

GB/T 29493 provisions of this part of the determination of the emulsion polymers in the textile dyeing and finishing auxiliaries free formaldehyde content. This section applies to an emulsion polymer based textile dyeing and finishing auxiliaries (mainly refers to acrylate, acrylonitrile - butadiene, carboxylated styrene - butadiene, Polyvinyl acetate, vinyl acetate - acrylate, styrene - acrylate, fluorinated acrylate polymers such as water and oil repellent) Trace Determination of free formaldehyde (including post-hydrolysis to release free formaldehyde) content.

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 /2912.1-2009 Textiles - Determination of formaldehyde T - Part 1. Free and hydrolyzed formaldehyde (water extraction method) Laboratory use specifications and test methods GB/T 6682-2008 Analysis GB/T 8170-2008 revised value represents about rules and limit values \u200b\u200band judgment Principle 3 Samples of formaldehyde can be derivatized with 2,4-dinitrophenylhydrazine reagent reacts with UV absorption of 2,4 Dinitrophenylhydrozones. use HPLC at 353nm under UV detector or diode array detector, a control standard curve, calculate the sample Content of formaldehyde. Reaction is as follows.

4 Reagents and materials

Unless otherwise specified, use only recognized as analytical reagent and third grade water GB/T 6682-2008 stipulated. 4.1 acetonitrile chromatography. 4.2 orthophosphoric acid, 85%. 4.3 formaldehyde solution, a concentration of about 37%. 4.4 heptahydrate zinc sulfate solution, 100g/L. 4.5 formaldehyde standard stock solution. Pipette 2.5mL solution of formaldehyde (4.3) to brown volumetric flask, dilute to 1L (concentration of about 1000μg/mL), and according to GB/T 2912.1-2009 Appendix B Iodometry calibration. NOTE. Formaldehyde standard stock solution required room temperature away from light, valid for 4 weeks. ......

Image

Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 29493.5-2013_English be delivered?

Answer: Upon your order, we will start to translate GB/T 29493.5-2013_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 29493.5-2013_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 29493.5-2013_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.