In my analysis by HPLC,In sample main peak and placebo peak are eluting with shorter resolution ( almost look like doublet). how can i get max resolution ? Is changing gradient method is usefull?
3 11259why SGF media used for dissolution . What is the use of it .can we use other media of lower pH instead ot this?
1 7853How 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.
2057For Recent draft guidelines for Dissolution test apparatus calibration, why removing the salicylate tables?
3 9166Post New Analytical Chemistry Questions
why require to do water content for drug product?
Why a1% value is used for some product ? What is the criteria for selection a1% value ?
[3/30, 13:29] Manoj P Venkatpurwar: How hplc column selection according to structure? How mobile phase buffer selection on molecule structure?
How we can identify process related and degradation impurity in single method with short period?
How can we calculate "confidence interval" in analytical method validation? Pl. explain with example.
before starting analytical method valodation what you checking? and how giving preference to start validation?
how to select short coloum and long coloumn for new molecule
How can we calculate offset value pH measurment
all types of questions asked at the cipla interview
if your product is soluble in 0.1n hcl and water then which you choose as media from these 2 media?
What is the Formula for coreletion coefficient in plhplc calibration
we are performed SOR for a particular product the limit is -6 to -10.We face particular bathes it is not meeting the specification.we performed diffrent instrument diffrent analyst we are getting diffrent diffrent results.solvent is dimethyl sulfoxide what could be the reasion
could negative ions be produced by bombardment process in mass spectrometry?
how pda detector works over uv?
acceptance criteria for lod & loq by standard deviation of response and slope??