YS/T 37.5-2007
High pure germanium dioxide. Determination of iron content. Graphite furnace atomic absorption spectrometric method (English Version)

Standard No.

YS/T 37.5-2007

Language

Chinese, Available in English version

Release Date

2007

Published By

Professional Standard - Non-ferrous Metal

Status

Be replaced 2019-04

Replace By

YS/T 37.5-2018

Latest

YS/T 37.5-2018

Replace

YS/T 37.4-1992

Scope

This section specifies the method for determination of iron content in high-purity germanium dioxide. This section applies to the determination of iron content in high-purity germanium dioxide. Measuring range: mass fraction 0.000005% ~ 0.0002%.

YS/T 37.5-2007 history

• 2018 YS/T 37.4-2018 High-purity germanium dioxide chemical analysis method Determination of magnesium, aluminum, cobalt, nickel, copper, zinc, indium, lead, calcium, iron and arsenic by inductively coupled plasma mass spectrometry
• 2007 YS/T 37.4-2007 High pure germanium dioxide. Determination of magnesium, aluminium, cobalt, nickel, copper, zinc, indium, lead, calcium, iron and arsenic content. Inductively coupled plasma mass spectrometric method
• 1992 YS/T 37.4-1992 Chemical analysis method of high-purity germanium dioxide Chemical spectrometry Determination of iron, magnesium, lead, nickel, aluminum, calcium, copper, indium and zinc

YS/T 37.5-2007 High pure germanium dioxide. Determination of iron content. Graphite furnace atomic absorption spectrometric method has been changed from YS/T 37.4-1992 Chemical analysis method of high-purity germanium dioxide Chemical spectrometry Determination of iron, magnesium, lead, nickel, aluminum, calcium, copper, indium and zinc.