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GB/T 31419-2015 English PDF

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US$379.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 31419-2015: Test methods for hazardous substances in fire escape mask
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 31419-2015	379	Add to Cart	3 days	Test methods for hazardous substances in fire escape mask	Valid

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Basic data

Standard ID: GB/T 31419-2015 (GB/T31419-2015)
Description (Translated English): Test methods for hazardous substances in fire escape mask
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: C73
Classification of International Standard: 13.340.20
Word Count Estimation: 18,124
Date of Issue: 2015-05-15
Date of Implementation: 2015-10-01
Quoted Standard: GB/T 3922-2013; GB/T 6682
Regulation (derived from): National Standard Announcement 2015 No. 15
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 fire escape mask of lead, cadmium, hexavalent chromium and volatile matter content of detection methods. This Standard applies to different types of fire escape mask detection of toxic and hazardous substances.

GB/T 31419-2015: Test methods for hazardous substances in fire escape mask

---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.
Test methods for hazardous substances in fire escape mask ICS 13.340.20 C73 National Standards of People's Republic of China Fire escape mask toxic and hazardous substances detection methods Issued on. 2015-05-15 2015-10-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Preface Ⅰ 1 Scope 1 2 Normative references 1 3 Test Method 1 Appendix A (normative) Fire Escape Mask volatiles Category Test Method 7 References 14

Foreword

This standard was drafted in accordance with GB/T 1.1-2009 given rules. This standard was proposed by the State Administration of Work Safety. The standard personal protective equipment by the National Standardization Technical Committee (SAC/TC112) centralized. This standard was drafted. Beijing Institute of Labour Protection, MSA (China) Safety Equipment Co., Ltd., a technology start thinking Jingzhou Company Limited, Shanghai Bao-Safety Equipment Co., Ltd. The main drafters of this standard. Yang Wenfen, Gong country Zhuo, Peng, Liu Ji, Chen Cho, for Zhangshou Zheng, Xu Yuan people, Chen Shaonan, Dingjie Jin, Luo Muxia, Liuhong Juan, Liu Jinyan, intellectual Hongliang, Meng Yu, Xu Chao. Fire escape mask toxic and hazardous substances detection methods

1 Scope

This standard specifies the fire escape mask of lead, cadmium, hexavalent chromium and detection of volatile matter content. This standard applies to different types of fire escape mask detection of toxic and hazardous substances.

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 3922-2013 Textiles Tests for color fastness color fastness to perspiration Laboratory use specifications and test methods GB/T 6682 Analysis Test Method 3 3.1 Lead and cadmium 3.1.1 Test principle Weighed amount of sample, after ashing method to obtain a uniform liquid treatment was measured using a spectrophotometer at a wavelength extract 283.3nm (or Absorbance at 228.8nm) Department, according to lead (or cadmium) standard curve determined under the same conditions, a sample calculation of lead (or cadmium) content. 3.1.2 Reagents Used during the tests meet the following requirements reagent. a) sulfuric acid. mass concentration of 98%, AR; b) nitric acid. mass concentration of 65%, AR; c) glacial acetic acid. AR; d) 4% acetic acid (volume fraction). Take 40mL glacial acetic acid, diluted with water to 1000mL; e) Lead nitrate. pure class distinctions; f) cadmium oxide. pure class distinctions; g) nitrogen. Industrial pure; h) test water. meet the two water GB/T 6682 regulations. 3.1.3 instruments and equipment 3.1.3.1 Analytical Instruments Recommend using a spectrophotometer (wavelength 283.3nm, 228.8nm), may also be used inductively coupled plasma emission spectrometer. instrument After optimization, we should be able to meet. --- Of lead (or cadmium) content of 0.05mg/L solution of full matrix correction, the standard deviation of 10 measurements does not exceed 10%. --- The detection limit for a lead (or Cd) of just over content selected for their absorbance absorbance zero concentration calibration solution of the whole matrix solution It was carried out 10 measurements twice the standard deviation. In the final test solution is similar to the matrix of lead (or cadmium) detection limit, ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 31419-2015_English be delivered?

Answer: Upon your order, we will start to translate GB/T 31419-2015_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 31419-2015_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 31419-2015_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.