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 4568
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 5423
How can we calculate "confidence interval" in analytical method validation? Pl. explain with example.2438
What the difference in loss on drying and residue on ignition2 20884
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 25244
what is different between volumetric solution and general solution1 14175
what is primary solution and secondary solution2 5298
from where i get mortar pastle for glass bottle crush? it's required for testing of it?
What is the purpose of octyl silane columns?
How to calculation of residual solvent methanol (3000 ppm) standard solution, and how many quantity used of test sample
How they found 1mL of K.F reagent is equivalent to 5mg of water and if we change the composition of K.F reagent, is it can neutralize more amount of water?
What is the exact reason to use THF and IPA in buffers of Reverse phase HPLC as a solvent?
Please tell me about the pH of Polycaboxylic ether is it in the 5-6 range ever or more than 6
calibrtion procedue of LC-MS
4. Describe the operation of the Craig apparatus. Chapter.3 Equilibrium Processes in Separations
how can give the expiry period and restadardisation of volumetric solution
In performance Check of GC Why Hexadecane Peak is Considered
What should be the level/ Percentage of Arsenic in Arsenic free zinc.
some product having water content method with pyridine and ethylene glycol mixture instead of methanol? how they are selecting and methanol is not suitable solvent how ?
what is difference in ods I ods II is this is realy from sorbent / packing characteristics or from other means
IS THERE ANY EQUIPMENT TO CHECK AND CALCULATE THE POLARITY OF A LIQUID?
using gradient pressure in gas chromatography are not ?using gradient pressure why