ASTM D1993-1991(1997) 标准详情
- 标准号:ASTM D1993-1991(1997)
- 中文标题:用多点bet氮吸收法测定析出的硅石-表面积的试验方法
- 英文标题:standard test method for precipitated silica-surface area by multipoint bet nitrogen adsorption
- 标准类别:美国材料与试验协会ASTM
- 发布日期:1991
1.1 This test method covers a procedure which is used to measure the surface area of precipitated hydrated silicas by the conventional Brunauer, Emmett, and Teller (BET) theory of multilayer gas adsorption behavior using multipoint determinations, s
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