SEMI C40 - Specification for Potassium Hydroxide, 45% Solution
This Standard was technically approved by the Liquid Chemicals Global Technical Committee. This edition was approved for publication by the global Audits and Reviews Subcommittee on December 13, 2017. Available at www.semiviews.org and www.semi.org in June 2018; originally published November 2005; previously published November 2010.
The purpose of this Document is to standardize requirements for 45% potassium hydroxide solution used in the semiconductor industry and testing procedures to support those standards. Test methods have been shown to give statistically valid results.
The scope of this Document is a grade of 45% potassium hydroxide solution used in the semiconductor industry.
Referenced SEMI Standards
SEMI C1 — Guide for the Analysis of Liquid Chemicals