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GB/T 29493.7-2013 English PDF

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US$214.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 29493.7-2013: Determination of harmful substances in textile dyeing and finishing auxiliaries -- Part 7: Determination of monomeric diisocyanate in polyurethane coating agent
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 29493.7-2013	214	Add to Cart	3 days	Determination of harmful substances in textile dyeing and finishing auxiliaries -- Part 7: Determination of monomeric diisocyanate in polyurethane coating agent	Valid

Similar standards

GB/T 29493.3 GB/T 29493.4 GB/T 29493.1 GB/T 29493.9 GB/T 29493.5

Basic data

Standard ID: GB/T 29493.7-2013 (GB/T29493.7-2013)
Description (Translated English): Determination of harmful substances in textile dyeing and finishing auxiliaries -- Part 7: Determination of monomeric diisocyanate in polyurethane coating agent
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: G70
Classification of International Standard: 71.100.40
Word Count Estimation: 11,179
Quoted Standard: GB/T 3186-2006
Adopted Standard: ISO 10283-2007, IDT
Regulation (derived from): National Standards Bulletin 2013 No. 10
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: Determination of diisocyanate monomer content method using gas chromatography. This standard applies to the toluene diisocyanate (TDI), hexamethylene diisocyanate (HDI), diphenyl methane diisocyanate (MIDI), isophorone diisocyanat

GB/T 29493.7-2013: Determination of harmful substances in textile dyeing and finishing auxiliaries -- Part 7: Determination of monomeric diisocyanate in polyurethane coating agent

---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 finishing auxiliaries Part 7.. Determination of monomeric diisocyanates in polyurethane coating agent ICS 71.100.40 G70 National Standards of People's Republic of China Determination of the textile dyeing and finishing auxiliaries harmful substances Part 7. Polyurethane coating finishing agent Determination of diisocyanate monomer Part 7. Determinationofmonomericdisocyanatesin (ISO 10283.2007, Binderforpaintsandvarnishes- Determinationofmonomericdissocyanatesinisocyanateresin, IDT) Issued on. 2013-12-01 2013-07-19 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 7 GB/T 29493 of. This section drafted in accordance with GB/T 1.1-2009 given rules. This section uses the translation method identical with ISO 10283.2007 "Paints and varnishes polyurethane resin binder diisocyanate single Determination of "body. For ease of use, this section made the following editorial changes. --- With "this Part" instead of "this International Standard"; --- Deleted international standards foreword. 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. Drafting this Part. Zhejiang Chuan Co., Ltd., Shanghai Intertek Testing Services Ltd., Donghua University. The main drafters of this section. Zhao Ting, Cengfan Wen, Wu Bin, Zhao Lihui, Wang Shengpeng. Determination of the textile dyeing and finishing auxiliaries harmful substances Part 7. Polyurethane coating finishing agent Determination of diisocyanate monomer

1 Scope

GB/T 29493 provisions of this part of the determination of a diisocyanate monomer content by gas chromatography method. This section applies to the toluene diisocyanate (TDI), hexamethylene diisocyanate (HDI), diphenyl methane diisocyanate (MDI), isophorone diisocyanate (IPDI), and the diisocyanate monomer other type of synthetic material used to make polyurethane coating Or a resin solution prepared diisocyanate determination of the ester monomer 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/T 3186-2006 Paints, varnishes and raw materials for paints and varnishes - Sampling (ISO 15528.2000, IDT)

3 Terms and Definitions

The following terms and definitions apply to this document. 3.1 Isocyanate resin isocyanateresin Polyurethane resin polyurethaneresin Composition containing isocyanate (NCO) an aromatic group, an aliphatic or alicyclic isocyanate prepared solvent or solvent-free synthesis Resin. Note. This part of the isocyanate resin comprising. --- By any diisocyanate, particularly toluene diisocyanate (TDI), hexamethylene diisocyanate (HDI), diphenyl methane diisocyanate (MDI), isophorone diisocyanate (IPDI) prepared and containing urethane and/or biuret and/or isocyanate groups of isocyanate Resin; --- Isocyanate resins by the isocyanate resin prepared mixture. Principle 4 In tetradecane as internal standard to measure diisocyanate monomer content of isocyanate resin by gas chromatography. When diisocyanate When less volatile monomers, anthracene as the internal standard.

5 Reagents and solutions

Unless otherwise specified, use only recognized as analytical reagents. 5.1 ethyl acetate, dried (use of molecular sieve dehydration 0.5nm), no alcohol (ethanol content < 200 × 10-6). ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 29493.7-2013_English be delivered?

Answer: Upon your order, we will start to translate GB/T 29493.7-2013_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 29493.7-2013_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 29493.7-2013_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.