Skip to main content

Table 1 Various evaluated components for the determination of arsenic in SPM samples

From: Quantifying uncertainty in the measurement of arsenic in suspended particulate matter by Atomic Absorption Spectrometry with hydride generator

Sample I.D. Concentration of arsenic obtained from AAS-HG after reducing blank (μg/litre) Concentration of Arsenic in ng/m3 [C AS ] Volume made for test samples (Table 2) [V TEST ] Volume of air processed through HVS at STP (m3) [V HVS ] [Table 7] Total weight of SPM deposited on 18 cm × 23 cm filter paper (gm) [W TSPM ]*1 [Table 9] Weight of SPM deposited on 18 cm × 11.5 cm filter paper area taken for analysis (gm) [W ANA ]*2 Table 9]
S-1 27.52 ± 1.28* 5.58 ± 0.271 50 ml 493.52 0.2210 ± 0.0021 0.1105 ± 0.0042
S-2 13.33 ± 0.87* 3.21 ± 0.182 50 ml 414.97 0.1136 ± 0.0041 0.0568 ± 0.0081
S-3 19.92 ± 0.97* 4.36 ± 0.212 50 ml 457.16 1.3088 ± 0.0004 0.6544 ± 0.0007
S-4 6.62 ± 0.65* 1.45 ± 0.112 50 ml 456.65 0.1406 ± 0.0033 0.0703 ± 0.0065
S-5 8.03 ± 0.73* 1.70 ± 0.122 50 ml 471.24 0.1896 ± 0.0025 0.0948 ± 0.0049
S-6 9.82 ± 0.83* 2.37 ± 0.131 50 ml 414.78 0.2404 ± 0.0019 0.1202 ± 0.0038
S-7 5.62 ± 0.59* 1.44 ± 0.113 50 ml 391.63 0.7760 ± 0.0006 0.3880 ± 0.0012
  1. *± Value obtained for six determinations of two replicates (three each)
  2. *2 and *3 = details of uncertainty in weighing in table 9.