Table 5 Determined concentration levels of arsenic, lead, and mercury in registered TTM preparation samples by ICP-OES
Preparation | Heavy metal content (ppm) | |||
|---|---|---|---|---|
Arsenic (As) | Lead (Pb) | Mercury (Hg) | ||
Realgar containing preparations | 1 | 3483.54 | 6.58 | 0.80 |
2 | 334.29 | ND | ND | |
3 | 4445.28 | 7.72 | 0.77 | |
Sen-containing preparation | 1 | 0.24 | 167,048.73 | 5.87 |
Cinnabar-containing preparations | 1 | 0.06 |  < 1.00 | 1236.85 |
2 | 2.50 | 18.31 | 254.89 | |
3 | 0.19 |  < 1.00 | 21.21 | |
4 | 0.21 |  < 1.00 | 10.94 | |
5 | 0.45 | 8.80 | 10.84 | |
6 | 1.19 | 278.38 | 4703.62 | |
7 | 1.21 | 24,136.37 | 10,408.60 | |
8 | 0.34 |  < 1.00 | ND | |