Answer Posted / surya prakash

becoz.. in UV SPECTROSCOPY we genrally measure the
concentration of the compund by measuring the absorbance of
the particular solution ...but if u use HCL OR HNO3 there
they will surely react wiht the compound and degrade or
alter the compund........

in hplc chromatogram started from left to right and in uv spectrum started from left to right

1019

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Ph meter can show more than 14 ph reading? Why ph range in between 1 to 14 only?

800

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Describe your field experience sample type collected,sample techniques,field measurements taken and equipment used?

2746

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what is the acceptance criteria for enteric coated tablets in 0.1n hcl validation in each parameter?

948

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what is the purge flow & how to calculate

2741

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As per ICH related substances stability trend limit from initial to shelf life

3307

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how to set sample and standard concentration in RS method?

969

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what is the structure of DOWEX-50

5564

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What is the formula for relative diffrence for standard solution in solution stability in validation?

863

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how to selecet an exact coloumn for an new molecule development by hplc how to select exact salt as buffer for new molecule development by hplc what is the the process to select the mode of saparation of compoundes by hplc what is the use of ph of buffer what is use of buffer,ph,organic phase,ans methods how the molecules get saparated in coloumn,

2655

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how can I make the copper get white bye any salt or acit?

2269

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why we are using benzene, anyline in acetic anhdride assay titration method?

2173

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if you have given a blank water how you analyse by general analytical techniques?

2088

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How they found 1mL of K.F reagent is equivalent to 5mg of water and if we change the composition of K.F reagent, is it can neutralize more amount of water?

1835

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What is dose dumping? why require to do?

1048

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