chemistryren
第4楼2009/09/03
曲线和样品的测试我反复做过多次,
标准空白的吸光值:-0.001,-0.000
以去离子水为样品的吸光值:0.0022,0.0025,0.0026。
曲线用0.000,0.500,1.000,3.000,5.000,10.000mg/l。
后来将曲线农地降低:0.000,0.200,0.400,0.600,0.800,1.000mg/l.
标准空白的吸光值:0.0001,
以去离子水为样品的吸光值:0.0020,0.0023,0.0026.[/quote]
正常的数据..去离子水测出的吸光度属于正常波动范围..应报未检出.