发明名称 Styrene-divinyl benzene copolymer and stabilization and enhanced dilution of standard turbidity/nephelometry test samples
摘要 The use of a unique styrene-divinylbenzene copolymer and an improved more highly diluted suspension for preparing standard turbidity test equipment calibration samples of very low turbidity levels for use in the measurement of turbidity in water.
申请公布号 US5906772(A) 申请公布日期 1999.05.25
申请号 US19980123750 申请日期 1998.07.27
申请人 PATTERSON, JAMES A. 发明人 PATTERSON, JAMES A.
分类号 G01N21/47;G01N33/18;(IPC1-7):G01N31/00 主分类号 G01N21/47
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