A Highly Sensitive Multicommuted Flow Analysis Procedure for Photometric Determination of Molybdenum in Plant Materials without a Solvent Extraction Step

Table 1

Sequence of events related to an analytical run.

Step	Event	Rotation						Time (s)
1	Filling reagent channel	L	1	0	0	1	0	4
2	Washing analytical path	R	0	1	0	0	1	18
3	Photometer calibration	S	0	0	0	0	0	—
4	Filling sample channel	L	1	0	1	0	0	5
5	Filling syringe with carrier fluid	L	0	1	0	0	1	18
6	Washing sample channel	R	1	0	1	0	0	18
7	Sampling step	L	1	0	1	1	0	10
8	Signals reading step	R	0	1	0	0	1	—

The L, R, and S in the rotation column = motor rotation direction for left, right, and stop, respectively. , , V₁, V₂, V₃ = solenoid valves. Numbers 0 and 1 indicated that related valve was switched off or on, respectively. The numbers in the last column at right are the selected time intervals.