Development of total phosphorus online analyzer based on fluid flow control integrated chip
A total phosphorus online analyzer based on liquid flow control integrated chip technology is developed.The design and verification of the integrated chip,flow analysis,circuit control and other aspects are discussed,and the performance of the analyzer is measured.The results show that in the range of 0-2mg/L,the R2 value of the standard curve of the analyzer is 0.9999,the detection limit is 0.04mg/L,the value error is within 0.75%,the precision is 0.15%,the range drift is 0.05%F.S.The analyzer is small in size,light in weight,high in accuracy,good in precision and low in detection limit.It can be integrated into outdoor micro water station.