ISO 2122:1972现行
Sodium and potassium silicates for industrial use - Preparation of solution of products not easily soluble in boiling water and determination of matter insoluble in water
出版：International Organization for Standardization
专家解读视频
KS M ISO 2122:2007 - Identical
KS M ISO 2122:2012 - Identical
BS 6092-6:1981 - Equivalent
UNE 55621:1981 (R1999) - Identical
NBN T 03 238:1980 - Identical
PN ISO 2122:2000 - Identical
