YS/T 227.4-1994
Determination of iron content in tellurium (o-phenanthroline absorptiometry) (English Version)

Standard No.

YS/T 227.4-1994

Language

Chinese, Available in English version

Published By

Professional Standard - Non-ferrous Metal

Status

Be replaced 2011-03

Replace By

YS/T 227.4-2010

Latest

YS/T 227.4-2010

YS/T 227.4-1994 history

• 2010 YS/T 227.4-2010 Methods for chemical analysis of tellurium-Part 4: Determination of iron content-Phenanthroline spectrophotometry
• 1970 YS/T 227.4-1994 Determination of iron content in tellurium (o-phenanthroline absorptiometry)