ASTM D2158
ASTM D2158 – Standard Test Method for Residues in Liquefied Petroleum (LP) Gases Description: Significance and Use 5.1 Control over the residue content (required by Specification D1835) is of considerable importance in end-use applications of LPG. In liquid feed systems, residues can lead to troublesome deposits and, in vapor withdrawal systems, residues that are carried over can …