DIN EN ISO 20565-1 : 2009 Title: Chemical analysis of chrome-bearing refractory products and chrome-bearing raw materials (alternative to the X-ray fluorescence method) - Part 1: Apparatus, reagents, dissolution and determination of gravimetric silica (ISO 20565-1:2008) Year: 2009 Publisher: DIN Media GmbH Availability: Within 1-2 working days