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is there any material other than caffene to calibrate hplc
detector
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While performing TOC sst analysis Zero shift disabled & sample analysis zero shift enabled why?
which are the diffrent batches in the pharmaceuticals?
what you do when compound having dwel wavelength?
1)What's the meaning of Absorption,give a example. 2)What's the meaning of Adsorption,give a example. 2)what is the difference between Absorption and Adsorption.
If vendor having more imp than monograph then how to proceed? and how to set spec?
A ha tc is actual defination of retention time?
on saturation solubility study data how we can find out the bcs class of drug?
if your product is soluble in 0.1n hcl and water then which you choose as media from these 2 media?
why cone formation during dissolution?
why lactose has less charges when packed in steel containers when compared with packing of lactose in polyamide material?
effect of pore size, pore volume, partical size, column length, carbon load on retention time? what is carbon load? what is the use?
For limit test of heavy metals in BP, Method C require that the substance is ignited at a temperature not exceeding 800 °C. Why confines such the temperature?
We use Potassium Dichromate solution for the calibration of UV-Visible Spectrophotometer in UV region. My question is to calibrate visible region which solution could be used in photometric accuracy
How we choose the mobile phase for method development.?
In BP2013, Loperamid HCl monograph. Assay by titration with 0.1N sodium hydroxide using hydrocloric acid 0.01N and reading the volume added between the 2 points of inflexion. I have a question that if the diluent solvent is ethanol is certainly consumed a amount of volume of titrant, so this volume must be eliminated on the result calculation or not apart from first point which is subtracted above.
