Analysis of Waters

Water samples include: drinking water, river, lake and ground water; waste water and effluent.

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CAEAL PROFICIENCY TESTING PROGRAM -PROFICIENCY TESTING REPORT 2001 (Doc File)

%Recoveries of Elements in NIST Standard Reference Materials

SRM 1643d Trace Elements in Water


Element M/Z Certified Value Unit Found %Recoveries
Ag 107 1.27 � 0.06 �g/L 1.23 96.9 � 3, 4
Al 27 127.6 � 3.5 �g/L 134 105 � 3, 4
As 75 56.02 � 0.73 �g/L 55.9 99.8 � 3, 4
B 10 144.8 � 5.2 �g/L 148 102 � 8, 4
Ba 137 506.5 � 8.9 �g/L 512 101 � 2, 4
Be 9 12.53 � 0.28 �g/L 12.3 98.4 � 3, 4
Ca 43 31.04 � 0.5 mg/L 31.0 100 � 2, 4
Cd 114 6.47 � 0.37 �g/L 6.21 96.0 � 1, 4
Co 59 25.0 � 0.59 �g/L 25.3 101 � 3, 4
Cr 52 18.53 � 0.2 �g/L 18.7 101 � 4, 4
Cu 65 20.5 � 3.8 �g/L 20.1 97.8 � 1, 4
Fe 57 91.2 � 3.9 �g/L 90.8 99.6 � 2, 4
K 39 2.356 � 0.035 mg/L 2.25 95.3 � 9, 4
Li 7 16.5 � 0.55 �g/L 16.4 99.4 � 3, 4
Mg 25 7.989 � 0.035 mg/L 7.84 98.1 � 4, 4
Mn 55 37.66 � 0.83 �g/L 39.5 105 � 3, 4
Mo 98 112.9 � 1.7 �g/L 111 98.6 � 1, 4
Na 23 22.07 � 0.64 mg/L 21.6 97.7 � 7, 4
Ni 60 58.1 � 2.7 �g/L 59.3 102 � 4, 4
Pb 208 18.15 � 0.64 �g/L 18.69 103 � 2, 4
Sb 121 54.1 � 1.1 �g/L 53.6 99.0 � 2, 4
Se 77 11.43 � 0.17 �g/L 11.26 98.5 � 13, 4
Sr 88 294.8 � 3.4 �g/L 297.7 101 � 1, 4
Tl 205 7.28 � 0.25 �g/L 7.14 98.1 � 2, 4
V 51 35.1 � 1.4 �g/L 35.5 101 � 1, 4
Zn 66 72.48 � 0.65 �g/L 76.8 106 � 2, 4


Contact: Xinbang Feng, Ph.D. (Phone: 780-632-8464)
E-mail to: [email protected]

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