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Why only lead standard solution is uesd
to perform heavy metal test.
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Answer / ramalingeswararao
Based on environmental conditions Based on Material of Construction we will take lead as a standard
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Answer / bhaavani
Lead is stable compare to other metals in intensity and highly carcinogenic metal and lead is low cost and readily available in the market
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In Analytical method development related substance method when did follow w/w method when did follow area normalisation method
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When we calculate Impurity against impurity std.solution and when we calculate impurity against diluted standard with applying RRF?
what is main use of primary standards in caliration
2 Answers Lee Pharma, Lupin, Nectar Lifesciences,
could negative ions be produced by bombardment process in mass spectrometry?
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For limit test of heavy metals in BP, Method C require that the substance is ignited at a temperature not exceeding 800 °C. Why confines such the temperature?
what is PH of 0.1N Hcl, 0.01N Hcl & Mehanol.
IF WE INCREASE FLOW RATE RT DECRESE.WHY
Organic Chemistry 
