Table 1 Metal recovery values for different milk sample digestion methods
From: Investigation of heavy metal contents in Cow milk samples from area of Dhaka, Bangladesh
Method Id | Spiked Concentration | Metal concentration (ppm) | |||||
|---|---|---|---|---|---|---|---|
Cr | Cd | Pb | Mn | Cu | Fe | ||
M-1 | 10 (ppm) | 5.5010±0.03 | 6.4110±0.026 | 6.421±0.001 | 4.8312±0.001 | 5.5128±0.040 | 5.5301±0.040 |
Recovery percentage | 55Â % | 64Â % | 64Â % | 48Â % | 55Â % | 55Â % | |
M-2 | 10 (ppm) | 7.5020±0.025 | 5.6133±0.001 | 7.5113±0.102 | 6.7014±0.030 | 7.2105±0.050 | 7.2311±0.003 |
Recovery percentage | 75Â % | 56Â % | 75Â % | 67Â % | 72Â % | 72Â % | |
M-3 | 10 (ppm) | 8.0010±0.075 | 8.1201±0.002 | 7.9012±0.120 | 7.9111±0.030 | 7.4127±0.001 | 8.1020±0.030 |
Recovery percentage | 80Â % | 81Â % | 79Â % | 79Â % | 74Â % | 81Â % | |
M-4 | 10 (ppm) | 8.6012±0.010 | 8.1101±0.002 | 7.7010±0.030 | 6.8013±0.013 | 5.028±0.040 | 9.2033±0.102 |
Recovery percentage | 86Â % | 81Â % | 77Â % | 68Â % | 50Â % | 92Â % | |
M-5 | 10 (ppm) | 4.5413±0.275 | 3.8014±0.001 | 3.6103±0.102 | 7.5103±0.030 | 4.1031±0.031 | 6.8102±0.050 |
Recovery percentage | 45Â % | 38Â % | 36Â % | 75Â % | 41Â % | 68Â % | |
M-6 | 10 (ppm) | 5.0322±0.085 | 5.1300±0.001 | 5.087±0.014 | 8.1078±0.130 | 4.1002±0.027 | 4.2341±0.050 |
Recovery percentage | 50Â % | 51Â % | 50Â % | 81Â % | 41Â % | 42Â % | |
M-7 | 10 (ppm) | 9.8621±0.002 | 9.8801±0.002 | 9.7805±0.006 | 10.1400±0.001 | 9.9320±0.008 | 9.7300±0.017 |
Recovery percentage | 98Â % | 98Â % | 97Â % | 101.4Â % | 99Â % | 97Â % | |
M-8 | 10 (ppm) | 7.8147±0.010 | 7.3101±0.220 | 7.7103±0.104 | 5.8310±0.027 | 5.1901±0.002 | 7.1713±0.050 |
Recovery percentage | 78Â % | 73Â % | 77Â % | 58Â % | 51Â % | 71Â % | |