ISO 3357:1975现行
Sodium tripolyphosphate and sodium pyrophosphate for industrial use - Determination of total phosphorus(V) oxide content - Quinoline phosphomolybdate gravimetric method
出版：International Organization for Standardization
专家解读视频
UNE 55558:1979 (R1998) - Identical
BS 4427-10:1976 - Equivalent
NBN T 03 299:1980 - Identical
NBN EN 1206:2005 - Identical
NBN EN 1207:2005 - Identical
NBN EN 1208:2005 - Identical
GB/T 9984.2-2004 - Modified
KS M ISO 3357:2002 - Identical
KS M ISO 3357:2012 - Identical
