氨氮标准曲线

标液体积（ml）氨氮含量（mg）吸光度空白吸光度00.0000.0280.0280.50.0050.0550.0281.00.0100.0690.0283.00.0300.1390.0287.00.0700.2750.02810.00.1000.3860.028空白吸光度0.053氨氮含量mg0.121水样吸光度0.483水样体积ml5校正吸光度0.430氨氮mg/L24.21水质氨氮纳氏试剂光度法标准曲线标准溶液测试水样测试y=3.512x+0.00480.0000.0500.1000.1500.2000.2500.3000.3500.4000.0000.0200.0400.0600.0800.1000.120校正吸光度氨氮含量系列校正吸光度0.0000.0270.0410.1110.2470.358水质氨氮纳氏试剂光度法标准曲线标准溶液测试y=3.512x+0.0048R²=0.9994系列1线性(系列1)