National Testing Laboratory Private Limited
National Testing Laboratory Private Limited
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Coal Testing Services

Pioneers in the industry, we offer coal testing services from India.

Coal Testing Services


Coal Testing Services
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Service Details:
Testing TypeAsh%
Sampling ProcedureOff-Site Testing
Analysis TypeProximate Analysis

National Testing Lab conducts testing of Coal, Coke and other fuels as per various national and international standards in the most scrupulous manner ensuring flawless accuracy in the test results.

The results of Coal testing are utilized mainly for characterization, commercial grading or assigning ranks, and deciding the utilization for different purposes. There are basically two types of analysis conducted on coal: one is the ‘Proximate Analysis’ and the other is ‘Ultimate Analysis’. These tests determine different parameters, and the results from Proximate Analysis determine the rank of Coal and some important indicators related to the commercial value of coal, like heating/Calorific value and application in boilers.

Some of the Common Tests conducted on Coal include :

  • Proximate analysis - Moisture,Volatile matter, Ash and Fixed Carbon
  • Ultimate analysis - C,H, O, N, S and Ash.
  • Ash analysis - Al2O3, SiO2, CaO, MgO,TiO2, Na2O, K2O, S etc.,
  • Ash Fusion Temperature
  • Coke Reactivity
  • Hard-grove Grindability Index
  • Porosity
  • Density
  • Angle of Repose
  • Crucible Swelling Index/Free Swelling Index

Major Equipments Used :

  • Carbon & Hydrogen determination apparatus
  • Proximate Analyzer
  • Ash Fusion Temperature apparatus/Ash Fusion Tester
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Gunjan Singh (Customer Support)
National Testing Laboratory Private Limited
83/14, Street No. 1, Udyog Nagar, Mundka
New Delhi - 110041, Delhi, India
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