KS L ISO 21079-3-2012(2017) Chemical analysis of refractories containing alumina, zirconia, and silica－Refractories containing 5 % to 45 % of ZrO2(alternative to the X-ray fluorescence method)－Part 3：Flame atomic absorption spec
2012KS L ISO 21079-3:2012 Chemical analysis of refractories containing alumina, zirconia, and silica－Refractories containing 5 % to 45 % of ZrO2(alternative to the X-ray fluorescence method)－Part 3：Flame atomic absorption spectrometry(FAAS) and inductively coupled plasma atomic em