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what is the defferance between the potency and working standard
Arbro Pharmaceuticals, Caplin Point, ECOlogics, Matrix, Orchid, Venus Remedies,
1 6076From peak purity spectrum, where or at which point peak purity angle & purity threshold is checked?
1 4522water is more polar than acetonitrile.but in reverse phase chromatography peaks elute earlier when we increse Acetonitrile.what is the reason.
10 52721I got 88.0 % assay for a drug in HPLC analysis for same injection i got 40.0% related substances is it possible? what is the relation between results of assay and purity?
5 11925hi 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 11104Post New Analytical Chemistry Questions
in dissolution why pool sample needed? in which type of drug pool sample need?
inhouse product is in capsule form in combination and RLD is in tablet form then can we proceed for multimedia CDP? in inhouse capsule product disso is paddle with sinker in release media is there then RLD product in tablet form then with same as paddle with sinker we can proceed n.a.?
What is third generation HPLC Columns?
what are the standard methods for HPLC?
What is the formula to determine the concentration of M of a solution given the % transmittance? Use %T = 43.7 as an example.
Tell me about analytical method validation in QC
which situation gc hs and gc als require to use?
[3/30, 13:29] Manoj P Venkatpurwar: How hplc column selection according to structure? How mobile phase buffer selection on molecule structure?
IS THERE ANY EQUIPMENT TO CHECK AND CALCULATE THE POLARITY OF A LIQUID?
In HPLC (Waters) software Empower1,2 &3 what is the updation for each version
Is it nessesary all multimedia dissolution require descriminatory?
Tell me something about Vitamin A test method by HPLC
How to calculation of residual solvent methanol (3000 ppm) standard solution, and how many quantity used of test sample
WHAT IS THE PURPOSE WE USE HCL, CHOPPER, BURNER, MONOCHROMATOR in AAS? PLEASE EXPLAIN BRIEFLY
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,
