i set electrode to 7 buffer than i used it to check 4 buffer and 10 buffer if the results are not as expected than is it better to set the buffer again to 4 buffer or is there any other method available please let me know ...2 4391
function of detecter in hplc ,gc and spectroscopy? function of carrier gas in gc?
How can the GC or HPLC method is selected to determine the impurity profile in drug product?1 5245
How can we calculate "confidence interval" in analytical method validation? Pl. explain with example.2323
What the difference in loss on drying and residue on ignition2 19642
In case of HPLC coloums what is the difference Between C8 & C18 coloums & how can we select difference type of coloums like Inertial ODS , Hypersil BDS , ODS etc.?4 23751
what is different between volumetric solution and general solution1 13012
what is primary solution and secondary solution2 5027
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.
In Dissolution Test why limit is define Q+5% what is the role of +5%.
cefoperozone and sulbactam inj. hplc test method
Describe your field experience sample type collected,sample techniques,field measurements taken and equipment used?
pharma industries oriented
if you have given a blank water how you analyse by general analytical techniques?
Explain the relations between number of carbon atoms in alkanes and retention time ?
In HPLC calibration, caffeine is used as primary standard for wave length calibration due to caffeine is having dual maxima at 273 & 205 nm and one minima at 245 nm. Any body can give reference of these details from any pharmacopeia (with chapter no.) or any other authentic guideline?
what is lod and loq ?,why use k2cr2o7 , kcl h2so4 in uv calibration ?,why use benzophenone & caffene acetone in hplc calibration ?,what is leading peak in hplc ?why we do the calibration of limit of stry light in hplc & uv ?
can i use hplc detector to uplc and why?
Which is the highly polar and highly non polar column in HPLC?
How to compare XRD graphs against standard and carry polymorpism study of API's by powder XRD method?
WHAT IS THE USE OF STARTER ?????????
what is weight veriation in pharma industry ? plz explain me
why octanol used to determine the partition coefficient ?