1、用100.0ug/ml GBW(E)080220 NH3-N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:420 nm 比色皿: 1cm标准曲线:m(NH3-N,ug) 05 20406080100吸光度A:0.0390.0570.0750.1110.1860.2630.3430.412A0.0000.0180.0360.0720.1470.2240.3040.373回归方程与相关系数:Y=bX+ab=3.77410-3a=2.097r=0.9999 GB/T5750. 5-2006 重氮偶合分光光度法NO2-N标准溶液(0.1000ug/ml):用
2、100.0mg/L GBW(E)08021923 NO2-N标准溶液(国家标准物质研究中心)逐级稀释而成。2100可见分光光度计(151) 波长: 540 nm 比色皿:m(NO2-N,ug)0.00.0500.100.250.500.751.001.250.0060.0090.0120.0230.0420.0600.0770.0960.0030.0170.0540.0710.090b=7.25610-2a=8.55710-4GB/T5750.5 -2006 麝香草酚分光光度法标准溶液(11.295ug/ml):用1000ug/ml GBW(E)080264 硝酸盐标准溶液(国家标准物质研究中
3、心)逐级稀释而成。415 nm 比色皿:m(NO3+-N,ug)0.56481.1303.3895.6487.90711.300.0010.0200.0440.1260.2130.2950.4220.0190.0430.1250.2120.2940.421b=3.734a=6.638GB/T5750.4 -2006 4-氨基安替比林氯仿萃取分光光度法标准溶液(1.000ug/ml):用1000ug/ml GBW(E)?标准溶液(国家标准物质研究中心)逐级稀释而成。460 nm 比色皿:m(酚,ug)0.51.0 2.04.06.08.010.00.0330.0690.1050.1430.179
4、0.2160.0110.1100.1460.183b=0.01828a=1.024GB/T5750. 5-2006 分光光度法用1000ug/ml GBW(E)080266标准溶液(国家标准物质研究中心)逐级稀释而成。m(SO42+,ug)3.005.007.0010.000.0070.0290.1000.3090.5780.7721.1260.0220.0930.3020.5710.7651.119用68ug/ml GBW(E)080115 标准溶液(国家标准物质研究中心)逐级稀释而成。638 nm 比色皿:m(CN+,ug)0.10.20.40.60.81.01.50.0130.0270.
5、0790.1040.1320.2000.2650.0100.0240.0510.0760.1010.1290.1970.162b=0.1326a=3.162GB/T5750.4 -2006简化亚甲蓝分光光度法十二烷基苯磺酸钠标准溶液(10.00ug/ml):用1000ug/ml BW3160标准溶液(国家标准物质研究中心)逐级稀释而成。652 nm 比色皿:m(Hg2+,ug) 0.0 2.55.0 2550.00.1230.1540.2600.9870.0820.1880.4410.915b=0.01823a=1.887r=0.9997GB/T18204.29 -200?分光光度法标准溶液(
6、0.01mg/ml)520 nm 比色皿:C(尿素,mg/L)0 2.0 3.05.00.1510.2810.3990.5140.6200.7190.1310.2610.3790.4940.6000.699(舍)b=0.1171a=0.02170r=0.9993标准曲线2:0.1450.2660.3810.4970.60540.7150.1340.2550.3700.4860.5940.704b=0.1138a=0.02553r=0.9998GB/T5750.10 -2006 异烟酸-巴比妥酸分光光度法水中氰标准溶液(1.000ug/ml):用68ug/ml GBW(E)080115标准溶液(国家标准物质研究中心)逐级稀释而成。600 nm 比色皿:0.010.050.150.200.400.800.0150.0670.2020.5370.9940.0640.1280.1990.5340.991b=1.246a=8.697r=0.99922100UNIC分光光度计(151) 波长:0.0020.0620.1980.2640.5531.0610.2620.5511.059b=1.339a=4.200水中硫标准溶液(1.000ug/ml):临用时标定。665 nm 比色皿:m(S2+,ug)0.0040.0310.0590.0920.121
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