ISO 12213 specifies methods for the calculation of compression factors of natural gases, natural gases containing a synthetic admixture and similar mixtures at conditions under which the mixture can exist only as a gas. It is divided into three parts: this part, ISO 12213-1:2006, gives an introduction and provides guidelines for the methods of calculation described in Parts 2 and 3.

ISO 12213-1:1997

ISO/DIS 12213-1

UNI EN ISO 12213-1:2007 - Identical

NS EN ISO 12213-1 Ed. 1 (2005) - Identical

GB/T 17747.1-2011 - Modified

UNE 60560-1:2003 - Identical

I.S. EN ISO 12213-1:2005 - Identical

BS EN ISO 12213-1:2009 - Identical

KS I ISO 12213-1:2010 - Identical

BS EN ISO 12213-1:2005 - Identical

SN EN ISO 12213-1:2005 - Identical

BS ISO 12213-1:1997 - Identical

NBN EN ISO 12213-1:2005 - Identical

NF EN ISO 12213-1:2005 - Identical

SS ISO 12213-1 Ed. 1 (1998) - Identical

ONORM EN ISO 12213-1:2005 - Identical

NEN EN ISO 12213-1:2005 - Identical

NEN ISO 12213-1:1998 - Identical

SS EN ISO 12213-1 Ed. 1 (2005) - Identical

UNE EN ISO 12213-1:2005 - Identical

DIN EN ISO 12213-1 (2005-09) - Identical