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GB/T 29612-2013: Determination of cadmium, lead, mercury content for carbon black
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 29612-2013 | English | 209 |
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Determination of cadmium, lead, mercury content for carbon black
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GB/T 29612-2013
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Basic data | Standard ID | GB/T 29612-2013 (GB/T29612-2013) | | Description (Translated English) | Determination of cadmium, lead, mercury content for carbon black | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | G49 | | Classification of International Standard | 83.040.20 | | Word Count Estimation | 9,947 | | Quoted Standard | GB 3778; GB/T 3780.8; GB/T 3780.10; GB/T 6682; GB 6819; GB/T 12808 | | 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 the method with an atomic absorption spectrophotometer (A method), plasma emission spectroscopy method (B method) (Arbitration Act), X fluorescence spectrometer method (C method), determination of cadmium carbon black (Cd), lead (P | GB/T 29612-2013: Determination of cadmium, lead, mercury content for carbon black---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 cadmium, lead, mercury content for carbon black
ICS 83.040.20
G49
National Standards of People's Republic of China
Carbon black - Determination of cadmium, lead and mercury content
Issued on. 2013-07-19
2013-12-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Foreword
This standard was drafted in accordance with GB/T 1.1-2009 given rules.
The standard proposed by China Petroleum and Chemical Industry Association.
This standard by the National Rubber and rubber products Standardization Technical Committee of carbon black Technical Committee (SAC/TC35/SC5) centralized.
This standard is drafted by. China Rubber Group Carbon Black Research & Design Institute, Ningbo, Germany and Thailand Chemical Co., Ltd., a public Qujing Fine Chemicals
CO., LTD.
The main drafters of this standard. Niesu Qing, Tang Yi, Ma Weiwei, Jiang Liangjiang.
Carbon black - Determination of cadmium, lead and mercury content
Warning. Use of this standard shall have a person experiences regular laboratory work. This standard does not point out all possible security issues.
Users have the responsibility to take appropriate safety and health practices and to ensure compliance with the conditions relevant national regulations.
1 Scope
This standard specifies the method using an atomic absorption spectrophotometer (A method), plasma emission spectrometry method (B method) (Arbitration Law), X fluorescence spectrometry
Meter method (C method), carbon black, cadmium (Cd), lead (Pb), Test Method for mercury (Hg) Determination.
This standard applies to carbon black.
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 3778 carbon black for rubber
GB/T 3780.8 black - Part 8. Determination of loss on heating
Part 10 GB/T 3780.10 Carbon black. Determination of ash
Laboratory use specifications and test methods GB/T 6682 Analysis
GB 6819 acetylene
GB/T 12808 Laboratory glassware single marking pipette
3 Sampling
Carbon black according to the provisions of GB 3778 sampled.
4 Instrument
Conventional laboratory equipment and less equipment.
4.1 platinum crucible volume of about 35cm3.
4.2 Atomic absorption spectrophotometer equipped with an air/acetylene gas burner and cadmium, lead, mercury hollow cathode lamp.
4.3 plasma emission spectrometer.
4.4 X-ray fluorescence spectrometer.
4.5 Analytical balance with an accuracy of 0.1mg.
4.6 beaker with a volume of 100cm3.
4.7 flask, volume 100cm3,500cm3,1000cm3.
4.8 Single-marking pipette, capacity 1cm3,5cm3,10cm3,20cm3, should be consistent with GB/T 12808 in Class A requirements.
5 atomic absorption spectrophotometer (A method)
5.1 Test Method
After sample ashing, the residue was dissolved with hydrochloric acid, diluted inhaled flame atomic absorption spectrophotometer, respectively
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