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Determination of C, H and N in coal

[煤中碳氢氮的测定 ]

EPTIS factsheet 1187631 | Last revision 2024-12-19 | URL: https://www.eptis.bam.de/pts1187631 https://www.eptis.bam.de/pts1187631

PT provider
PT provider China NIL Research Center for Proficiency Testing China NIL Research Center for Proficiency Testing
Based in China
Language(s) English
Remarks
Keywords
Product groups Petroleum and coal products
Testing fields Analytical chemistry
Technical details
Test item Tested property Testing method
Carbon (C) Liebig method
Hydrogen (H) Liebig method
Nitrogen (N) Semi-micro gasification method
Semi-micro Kjeldahl method
Aims of the PT scheme
Target group of participants Testing/detecting laboratory, etc. No restrictions.
Linked to specific legislation / standards No
Additional, subsidiary aims
Number of participants 35
Accredited or otherwise reviewed by a 3rd party

Accredited by CNAS on the basis of ISO/IEC 17043:2010

No

Operation is commissioned / requested by No
Fees and frequency
Participation fee 300 USD
Regularly operated Yes (1 round per year )
Year of first operation 2016
Contact details of the PT provider
Provider Contact person
China NIL Research Center for Proficiency Testing
No.13 Gaoliangqiao oblique street, Haidian District
100081 Beijing
China

Phone: +86 10 6218 1064
Fax:
Web: http://www.nilpt.com http://www.nilpt.com
Ms. Jinghua Chen
Phone: +86 10 6218 1064
Fax:
Email: nil@analysis.org.cn nil@analysis.org.cn
If you find any mistakes please contact the responsible EPTIS coordinator in China, Mr Ping HE. Mr Ping HE.
Any questions or problems? Please contact us at eptis@bam.de.
Application version: 1.23-SNAPSHOT.20230502124635-7925ae379a631fc1ececff45d2921c8db38877d5