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I took 50 ml of water and digest it in 10ml HNO3. Then make it up in a 50ml volumetric flask. I analyzed Cd and FAAS reading is 0.008 ppm (mg/L). Kindly, guide how I can do back calculation in...
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How i can digest scratch off ink ? I mean the ink or the coating which is used by cell phone recharging cards, lottery cards or to hide any code on cards. Digestion needed to run the sample on AAS.
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