This Standard was technically approved by the Photovoltaic - Materials Global Technical Committee. This edition was approved for publication by the global Audits and Reviews Subcommittee on December 4, 2015. Available at www.semiviews.org and www.semi.org in December 2015; originally published February 2011.

This Document provides suggested assay, color and maximum impurity levels for one grade of phosphorus oxychloride used in the photovoltaic industry.

This Document refers to an ‘as supplied’ product; not point of use.

This Document is a guide and complete analytical methods are not contained within.

SEMI C1 — Guide for the Analysis of Liquid Chemicals