BS 1902-2.3:Addendum No. 1:1976被替代
Methods of testing refractory materials. Chemical analysis (wet methods). Determination of boron in magnesites
出版：British Standards Institution
專家解讀視頻
基本信息
標準編號： BS 1902-2.3:Addendum No. 1:1976
發(fā)布時間：1976/5/28 0:00:00
標準類別：Standard
出版單位：British Standards Institution
標準頁數(shù)：4
標準簡介
Methods not applicable to dolomite materials. The sample is extracted with dilute sulphuric acid and boron determined by a carminic acid spectrophotometric method.
標準備注
? British Standards Institution 2013
Amendment notes:
AMD 5213 published 31 March 1987
Document identifier notes:
Formerly Addendum No. 1 (1976) to BS 1902:Part 2E:1970.
替代本標準的新標準
