IS 1350 : Part 4 : Sec 2 : 1975 Methods of Test for Coal and Coke - Part IV : Ultimate Analysis - Section 2 : Determination of Nitrogen
UDC 662.74 : 543.846 PCD7
(Superseding IS : 1351-1959 )
Reaffirmed 2020
1 Scope
1.1 This standard (Part IV/Sec 2) prescribes the methods of determination of nitrogen content in coal.
NOTE - The method prescribed in 5.1 is also applicable to brown coals, lignites and coke except for the fact that a longer period of digestion ( see 5.1.3) is required in the case of high rank coal, anthracite and coke.