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heavy metals
kumar.s
Posted 8/26/2011 12:57:06 AM
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why we genarally use lead nitrate Stock standards use in pharma industries other than remaining heavy metal standards
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Element
Posted 9/30/2012 8:24:28 AM
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Heavy Metals is old USP<231>, which will be replaced by USP<232> and be official in December 2012.
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