Answer / bhupalreddy

It shows pink color in basic meadium.Here NAOH is base

Answer / raja.s

Phenolphthalin is base . So naoh is also base . Acid solutions add Phenolphthalin colour change

Can any one tell what is RECALL OF PROCEDURES is

1 Answers   Macleods,

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what is use in calibration of conductivitimeter?

1 Answers   Claris Lifesciences, SRF,

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in dissolution in one tablets two molecule one is losartan & second is HCTZ losartam is complies in s1 stage & hctz is complies in s2 stage then how to report result losartan s1 stage result or losartan s2 stage result

1 Answers   Dishman,

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Why we have to take 42gm of sodium hydroxide instead of 40gm for preparation of 1M Sodium hydroxide as per Pharmacopia? Whether it means the formula for calculating molarity was wrong? 

5 Answers   Claris Otsuka, Ranbaxy,

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if relative response factor is 1.07, to select how much value

1 Answers   Natco,

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If we have 120 minutes run time method for HPLC and you wan to decrease the Run time so what should you do??

6 Answers  

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hi i am m.sc organic chem and complete analytical lab tech dipolma now job in qc many time ask question you in m.sc organic why job in qc please help me i can not give proper ans please tell me

3 Answers   Arch Pharmalabs, Natco,

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is it necessary to do HPLC calibration at wavelength 315nm if we are doing analysis at this wavelangth

0 Answers   Aarti Drugs,

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In Stability testing if significant change occurs then what will be the action plan?

2 Answers   Cipla,

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What is the calibration of uv process and preparation

0 Answers   Aurobindo,

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What is Rf value& Rx value in TLC?

1 Answers   Abbott,

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How to Perform a Recrystallization ?

4 Answers  

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