. 2023 Jan 17;23(3):1058. doi: 10.3390/s23031058

Table 2.

Uncertainty analysis of standard solutions for IMS and Nicolet Evolution 300 in first and second series of measurements.

Standard Solution (µg Fe²⁺/L)	Standard Sample Uncertainty (µg Fe²⁺/L)	First Series						Second Series
Standard Solution (µg Fe²⁺/L)	Standard Sample Uncertainty (µg Fe²⁺/L)	IMS (µg Fe²⁺/L)	IMS Prec. (µg Fe²⁺/L)	IMS Uncert. (µg Fe²⁺/L)	Nicolet (µg Fe²⁺/L)	Nicolet Prec. (µg Fe²⁺/L)	Nicolet Uncert. (µg Fe²⁺/L)	IMS (µg Fe²⁺/L)	IMS Prec. (µg Fe²⁺/L)	IMS Uncert. (µg Fe²⁺/L)	Nicolet (µg Fe²⁺/L)	Nicolet Prec. (µg Fe²⁺/L)	Nicolet Uncert. (µg Fe²⁺/L)
25	±0.25	-		-	-		-	28.7	±88.3	±9.4	28.2	±795.2	±28.2
50	±0.50	54.8	±27.0	±5.2	54.7	±275.5	±16.6	44.4	±22.0	±4.7	41.3	±795.2	±28.2
75	±0.75	-	-	-	-	-	-	75.6	±36.0	±6.0	79.4	±795.2	±28.2
100	±1.00	98.4	±25.0	±5.0	98.1	±275.5	±16.6	97.0	±21.1	±4.6	98.6	±795.2	±28.2
125	±1.25	-	-	-	-	-	-	122.6	±49.0	±7.0	124.1	±795.2	±28.2
150	±1.50	-	-	-	-	-	-	152.2	±36.0	±6.0	149.7	±795.2	±28.2
200	±2.00	196.6	±18.4	±4.3	196,0	±275.5	±16.6	201.5	±28.0	±5.3	200.9	±795.2	±28.2
500	±5.00	513.8	±28.0	±5.3	511.2	±275.5	±16.6	-	-	-	-	-	-
1000	±10.00	993.3	±27.0	±5.2	994.9	±275.5	±16.6	-	-	-	-	-	-