Projekta Nr.ISO 157:1996
Nosaukums<p>Specifies methods of determining the sulfate and pyrite sulfur contents of coals, including brown coals and methods of calculating the amount of organic sulfur present. Replaces the first edition.</p>
Reģistrācijas numurs (WIID)3988
Darbības sfēra<p>Specifies methods of determining the sulfate and pyrite sulfur contents of coals, including brown coals and methods of calculating the amount of organic sulfur present. Replaces the first edition.</p>
StatussAtcelts
ICS grupa73.040