Answer Posted / maulik

based on the pka value of compound. if ur compound have pka
is about 3. u can select ur mobile phase about ph 5-14.but
due to the less column selectivity in basic media u can
select 5-8 pH. preferred by the different salt buffering
capacity.

Why sodium hydroxide used for maintain pH of phosphate buffer

2481

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what are risk assement in the analytical qbd?

804

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from where i get mortar pastle for glass bottle crush? it's required for testing of it?

2328

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what is procedure of actual procedure for registration of drug?

2055

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

940

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From where require to take the RLD sample?

804

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Why potassium dichromate is used in calibration of uv?

2038

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What is diffrence between extractable volume and deliverable volume? Answer pls

4615

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Which are the diffrent grades of api in pharma?

813

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what is difference between UV - VISIBLE MODEL NO like 1600,1601,1700 etc ? plz explain me

2724

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What is the diference between residual solvents and organic volatile matter

2109

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how will you do the prep for unstable componds?

2067

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WHICH STANDARD WE USE IN SILICA ANALYSIS IN SILICA-GEL METHOD FOR SOLID SAMPLE

2183

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if tech transfer fails whay require to do?

892

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How do we fix the sample concentaryion in hplc method development. What is the basis?

1246

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