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pro vyhledávání: '"Arthur M. Kray"'
Publikováno v:
Analytical Chemistry. 47:869-875
Publikováno v:
Mikrochimica Acta. 64:581-587
A method for the microestimation of orthophosphate in the presence of large amounts of fluoride is described. A lead ion-selective electrode and a double-junction reference electrode are used to monitor the potentiometric titration with 0.01M lead pe
Publikováno v:
Mikrochimica Acta. 64:675-682
The multiple addition method has been used in combination with Gran plots for the determination of 2×10−4M to 1×10−6M (2.8 ppm to 14 ppb) of ammonia nitrogen. The ammonia was determined with an ammonia gas-sensing electrode. A computer-controll