How to calculate lamp energy in hplc?

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is ther any guidline is available for limt of peak fronting.and what is the limt of peak fronting.

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For standardization of volumetric solutions, acceptance limit for concentration is considered as 10% of nominal concentration and %RSD as NMT 0.2% (for appropriate no. of replicates). But , if %RSD has not met, what should be further action?

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Suppose we prepared pH buffer solution in lab.and calibrate against NIST solution, and same shall going to used upto 30 days. is it possible to stable pH and apperance ? suggest ?

1 Answers   Orchid,

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how many types oos and oot

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perchloric acid&glacal acetic acid both are acids but reaction is complete in volumetric titrations.how?

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Through assay by hplc(anhydrous basis) product got 100.8% .How much the potency of that product.Moisture content is 1.7%,Sulfated ash is 0.02%,Total impurities are 0.3%

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If i performing one analysis on C8column then the same analysis done on C18 column then what will happen about Rt;Resulution;Peak shape Explain ?

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in which situation ion pair agent require to use?

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In rs method development when we are going area normalization method to dilute standard method?

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on the basis of bcs class how to proceed the solubility?

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why require to do water content for drug product?

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