00.1510.2810.3990.5140.6200.719△A00.1310.2610.3790.4940.6000.699(舍)回归方程与相关系数:Y=bX+ab=0.1171a=0.02170r=0.9993标准曲线2:C(尿素,mg/L)01.02.03.04.05.06.0吸光度A:0.0110.1450.2660.3810.4970.60540.715△A00.1340.2550.3700.4860.5940.704回归方程与相关系数:Y=bX+ab=0.1138a=0.02553r=0.9998?标准曲线使用范围:水质分析检测项目:氯化钾方法依据:GB/T5750.10-2006异烟酸-巴比妥酸分光光度法标准溶液配置:水中氰标准溶液(1.000ug/ml):用68ug/mlGBW(E)080115标准溶液(国家标准物质研究中心)逐级稀释而成。仪器条件:723分光光度计(022)波长:600nm比色皿:1cm标准曲线:m(Hg2+,ug)0.00.010.050.100.150.200.400.80吸光度A:0.0030.0150.0670.1310.2020.2660.5370.994△A00.0120.0640.1280.1990.2630.5340.991回归方程与相关系数:Y=bX+ab=1.246a=8.697×10-3r=0.9992?仪器条件:2100UNIC分光光度计(151)波长:600nm比色皿:1cm标准曲线:m(Hg2+,ug)0.00.010.050.100.150.200.400.80吸光度A:0.0020.0110.0620.1250.1980.2640.5531.061△A00.0090.0600.1230.1970.2620.5511.059回归方程与相关系数:Y=bX+ab=1.339a=4.200×10-3r=0.9997
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