xiaoxia117
第3楼2008/03/20
因为不同样品加不同改进剂或释放剂进去,它们的吸光度肯定有不同,再者加的量不同,吸光度也不同,不知道大家有什么看法?
我曾试过铁的标样里什么都没加,直接就是国家标准物质买来的的标样配成0.00,1.00,2.00,3.00,4.00,5.00,单位是(ug/ml)吸光度分别如下:-0.0006,0.0039,0.0086,0.0130,0.0175,0.0213.曲线R=0.9996.还有一份是这样的:0.00,0.10,0.20,0.40,0.80,1.00标样里加了氯化锶,吸光度分别为:0.015,0.0196,0.0292,0.0629,0.1207,0.1469,R=0。998.两者相差这么大,有那位遇到我这样的情况,该什么解释呢?