Discuss the various isotopes of Protactinium and their roles in different fields of study.

549

in api coa analytical method given as Ph Europe which api used in formulation in this api coa method given Ph Europe so for Analytical methic for finished product we require to refer Ph Europe monograph ok n.a.? So any extra impurities which is given in USP monograph of api or finished product need not require to monitor on above case n.a.? but how require to do specificity?

551

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

3204

how to decide for one product require water content or LOD?

736

What is split ratio in Gc? Splitless? how requirr to select?

835

in stress study if your api not soluble in hcl naoh h2o2 then what require to do?

803

Explain how do you separate the colors of ink?

918

why we shrink our body during cold

1731

what is the extinction coefficient for Indomethacin or at 319nm wave length.

4010

How do we get end points and how many end points are possible for citric acid and di-acid not theorotically answer should be given practically.

2545

What is pka of acid?

1124

there is something which we call as the basicity of an acid i wanted to ask is that is there something like the basicity of an alkali if yes than how can we define it?

2005

What is the bluish white precipitate formed after adding ammonia solution?

1050

for which product require to do content uniformity? what is limit of cu?

755

What is the role of a catalyst? : Polymer Chemistry

961