ISO 1577:1987现行
Tea - Determination of acid-insoluble ash
出版：International Organization for Standardization
专家解读视频
KS H ISO 1577:2007 - Identical
GB/T 8308-2002 - Equivalent
BS 6049-6:1981 - Identical
GB/T 8308-2013 - Modified
GOST ISO 1577:2014 - Identical
DIN 10805 (1985-10) - Identical
NF ISO 1577:1989 - Identical
PN ISO 1577:1996 - Identical
BS 6049-6:1988 - Equivalent
BIS IS 13857:1993 (R1998) - Identical
