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QC/T 942-2013 English PDF (QCT942-2013)

QC/T 942-2013 English PDF (QCT942-2013)

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QC/T 942-2013: Test methods of hexavalent chromium in automobiles materials

This standard specifies the methods for the determination of hexavalent chromium in automobile parts and materials, wherein: X-ray fluorescence spectrometry is applicable to the use of X-ray fluorescence spectroscopy screening and rapid determination of hexavalent chromium content in the automobiles materials.
QC/T 942-2013
QC
AUTOMOTIVE INDUSTRY STANDARD
OF THE PEOPLE REPUBLIC OF CHINA
ICS 43.020
T 05
Test methods of hexavalent chromium in
automobiles materials
ISSUED ON. OCTOBER 17, 2013
IMPLEMENTED ON. MARCH 01, 2014
Issued by. Ministry of Industry and Information Technology of PRC
Announcement of ministry of Industry and Information
Technology of the People's Republic of China
No. 52 in 2013
?€?Methyl Butenol Polyether?€? and other 811 industrial standards are approved by the Ministry of Industry and Information Technology. In which - Chemical industry standard. 149 items; non-ferrous industry standard. 105 items; gold industry standard. 5 items; metallurgical industry standard. 15 items; building materials industry standard. 3 items; machinery industry standard. 39 items; aviation industry standard. 69 items; shipbuilding industry standard 53 items; automobile industry standard. 42 items; textile industry standard. 63 items; light industry standard. 59 items; petrochemical industry standard. 42 items; civil explosive industry standard. 1 item; electronics industry standard. 50 items; communications industry standard. 116 items.
Above chemical industry standards are published by Chemical Industry Press; textiles, non-ferrous and gold industry standards are published by China Standard Press; metallurgical industry standards are published by Metallurgical Industry Press; building materials industry standards are published by the Building Materials Industry Press; machinery industry standards are published by Machinery Industry Press; the aviation industry standards are published by China Aviation Integrated Technical Institute Organization; the shipbuilding industry standards are published by China Shipbuilding Technology and Economy Institute Organization; the automobile industry standards are published by the China Planning Press; light industry standards are published by China Light Industry Press; the petrochemical industry standard is published by the China Petrochemical Press; civil explosive industry standards are published by China Ordnance Industry Standard Institute Organization; electronic industry standards are published by the Ministry of Industry and Information Technology and electronics industry Standardization Institute organization; communication industry standards are published by the People's Posts and Telecom Press.
Annex. The Standard number, standard name and initial implementation date of 42 automobile industries.
Ministry of Industry and Information Technology of the PEOPLE Republic of China October 17, 2013
Attachment.
Number, Name and Initial Implementation Date of the 42
Automobile Industry Standards
S/N Standard No. Standard Name Replaced Standard No.
Implementation
Date
355 QC/T 253-2013
Preparation Methods for Engine
Model used in Motorcycles and
Mopeds
QC/T 253-1998 2014-03-01
356 QC/T 682-2013 Seats Used in Motorcycles and Mopeds QC/T 682-2002 2014-03-01 357 QC/T 229-2013 Technical Conditions for Rotor Pump of Motorcycles and Mopeds QC/T 229-1997 2014-03-01 358 QC/T 952-2013 Disc Wheels for Passenger Car ?€? Dimensional of Attachment on Hub 2014-03-01 359 QC/T 953-2013 Commercial Road Vehicles???Flat Attachment Wheel Fixing Nuts 2014-03-01 360 QC/T 954-2013
Commercial Vehicles???Flat
Attachment Fixing Nuts???Test
Methods
2014-03-01
361 QC/T 258-2013 Test Methods for the Intensity of Vehicle Wheels and Screw Base QC/T 258-1998 2014-03-01 362 QC/T 199-2013 Vehicle Wheels - Balance Weight QC/T 199-1995 2014-03-01 363 QC/T 326-2013 Numbering Rules for Automobile Standardized Parts QC/T 326-1999 2014-03-01 364 QC/T 955-2013 Auto Leveling Device of Special Purpose Vehicle 2014-03-01 365 QC/T 956-2013 Transport Vehicle for Dry-mixed Mortar 2014-03-01
366 QC/T 957-2013 Cleaning Sweeper Truck 2014-03-01
367 QC/T 29104-2013
Method for Coding the Level of
Contamination by Solid Particles of
Special Purpose Vehicle Hydraulic
System
QC/T
29104-1992 2014-03-01
368 QC/T 29105.3-2013
Sampling Methods of Testing
Particulate Contamination of
Hydraulic Oil of Special Purpose
Vehicle Hydraulic System
QC/T
29105.3-1992 2014-03-01
369 QC/T 718-2013 Truck Mounted Concrete Pump QC/T 718-2004 2014-03-01
370 QC/T 439-2013 Swept-body Dump Truck QC/T 439-1999 QC/T 440-1999 2014-03-01 371 QC/T 935-2013 Kitchen Garbage Vehicle 2014-03-01
372 QC/T 939-2013 Technical Qualifications of Front Discharge Truck 2014-03-01 373 QC/T 457-2013 Ambulance QC/T 457-2002 2014-03-01
374 QC/T 936-2013 Detachable Container Garbage Collector 2014-03-01
375 QC/T 937-2013 Guardrail Repair Car 2014-03-01
376 QC/T 940-2013 Exhibition Vehicle 2014-03-01
377 QC/T 958-2013
Performance Requirements and
Bench Test Methods of Automobile
Vacuum Pump
2014-03-01
378 QC/T 592-2013 Performance Requirements and QC/T 592-1999 2014-03-01 Bench Test Methods for Hydraulic
Brake Caliper Assembly
379 QC/T 959-2013
Performance Requirements and
Bench Test Methods for Mechanical
Parking Brake Lever Assembly
2014-03-01
380 QC/T 960.1-2013
Road Vehicle- Hydraulic Braking
Systems ?€? Part 1. Double ?€? Flare
Pipes, Tapped Holes, Male Fittings
and Tube Seats
2014-03-01
381 QC/T 961-2013
Performance Requirements and
Bench Test Methods for Plastic Liquid
Storage Tank of Hydraulic Braking
Systems
2014-03-01
382 QC/T 949-2013 Specification for Audio Player on Board 2014-03-01
383 QC/T 951-2013 Circuits-breaker for Automobiles 2014-03-01
384 QC/T 490-2013 Drawings for Motor Vehicle Body QC/T 490-2000 2014-03-01 385 QC/T 950-2013 Performance Requirement and Test of Heating Car Cushion 2014-03-01 386 QC/T 948-2013 Roof Load Carriers for Road Vehicles 2014-03-01
387 QC/T 946-2013 Strength Requirement and Test of Automobile Safe Belt Strap 2014-03-01 388 QC/T 945-2013 Passenger Vehicle Air-conditioning Unit 2014-03-01
389 QC/T 627-2013 Electronic Locks System for Motor Vehicles QC/T 627-1999 2014-03-01 390 QC/T 662-2013 Vehicle Air Conditioner (HFC-134a) Receiver Dryer QC/T 662-2000 2014-03-01 391 QC/T 947-2013 Technology Standards for Vehicle Auto-Dimming Rearview Mirror 2014-03-01 392 QC/T 941-2013 Test Methods of Mercury in Automobiles Materials 2014-03-01 393 QC/T 943-2013 Test Methods of Lead and Cadmium in Automotive Materials 2014-03-01 394 QC/T 942-2013 Test methods of Hexavalent Chromium in Automobiles Materials 2014-03-01 395 QC/T 944-2013
Determination of Polybrominated
Biphenyls (PBBs) and
Polybrominated Diphenyl Ethers
(PBDEs) in Automobiles Material
2014-03-01
396 QC/T 938-2013
Test Specification of Protection for
Pedestrians in the Event of a
Collision
2014-03-01
Table of contents
Foreword ... 6
Introduction ... 8
1 Scope ... 9
2 Normative references ... 9
3 X-ray fluorescence spectrometry ... 10
4 Qualitative test of hexavalent chromium in metallic anticorrosive coating 14 5 Determination of hexavalent chromium in metallic anticorrosive coatings 18 6 Determination of hexavalent chromium content in polymeric and electronic materials ... 21
7 Determination of hexavalent chromium content in leather materials ... 26 8 Test report ... 32
Appendix A (Informative) Calculation method for surface area of fastener coating ... 33
Appendix B (Normative) Determination of hexavalent chromium content in
polymeric materials and electronic materials - Determination of recovery rate and detection limit ... 37
Appendix C (Normative) Determination of volatile matter content in leather materials ... 40
Appendix D (Normative) Determination of hexavalent chromium content in
leather materials - Determination of recovery rate ... 42
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009 ?€?Directives for standardization - Part 1. Structure and drafting of standards?€?. This standard includes five methods.
Method 1 ?€?X-ray fluorescence spectrometry?€? was drafted with reference to GB/Z 21277-2007 ?€?Rapid screening of lead mercury chromium cadmium and
bromine of regulated substances in electrical and electronic equipment - X-ray fluorescence spectrometry?€?.
Method 2 ?€?Qualitative determination of hexavalent chromium in metallic
anticorrosive coatings?€? was drafted with reference to the Appendix B of IEC 62321. 2008 Ed.1.0 ?€?Electro-technical products - Determination of levels of six regulated substances (lead, mercury, cadmium, hexavalent chromium,
polybrominated biphenyls, and polybrominated diphenyl ethers).
Method 3 ?€?Determination of hexavalent chromium in metallic anticorrosive coatings?€? was drafted with reference to ISO 3613.2000 ?€?Chromate conversion coatings on zinc, cadmium, aluminum-zinc alloys, and zinc-aluminum alloys - Test methods?€?.
Method 4 ?€?Determination of hexavalent chromium content in polymer and
electronic materials?€? was dr...

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