if the purity is 99.9%,is need to do assay?
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Answer / v.raju
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Answer / dhanaji
In RS only identified organic impurities.
In assay we calculate actual moiety by present in compound compare with standard solution exclude water content, inorganic impurities etc it is not identify in RS only
|Is This Answer Correct ?||2 Yes||2 No|
Answer / suresh palacharla
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I have compare C2H2-air and C2H2-N2O flame AAS on determination calcium. Both use same range of std to plot calibration curve. (2-6ppm) When i measure the sample with phosphate, KCl and LaCl, C2H2-N2O flame give false positive result, around 0.5ppm. When i measure the sample with phosphste, KCl and EDTA. C2H2-N2O flame also give 0.5ppm false positive. But both above mentioned sample would not give false positive when measured by C2H2-air flame. What is the reason?
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