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in gas chromatography what is the difference between gas flow rate and average linear velocity ?
USV,
2601Through assay by hplc(anhydrous basis) product got 100.8% .How much the potency of that product.Moisture content is 1.7%,Sulfated ash is 0.02%,Total impurities are 0.3%
2 6366what is difference in ods I ods II is this is realy from sorbent / packing characteristics or from other means
1972In gas chromatographic analysis sometimes we use headspace, why it is required instead of manually injection?
1 4787Post New Analytical Chemistry Questions
Which products will produce when acetic anhydride reacts with Ter-butanol, Sec-butanol, Iso butanol, Dimethylamine etc.
what is mean by extactable and leachable study?
Describe your field experience sample type collected,sample techniques,field measurements taken and equipment used?
What is third generation HPLC Columns?
how we can identify the impurity is coming below loq at transfering site?
in stress study if your api not soluble in hcl naoh h2o2 then what require to do?
if you have given one product then how you determine the impurity in that?
if content uniformity passing but dissolution varrying then what is next step?
What is the Formula for coreletion coefficient in plhplc calibration
how much mass should be there in volumetric flask while in preparation of sample for assay?
how you establish the LOQ?
from where i get mortar pastle for glass bottle crush? it's required for testing of it?
As per ICH related substances stability trend limit from initial to shelf life
what parameters we will consider while developing a HPLC method and how we confirm our HPLC method is valid?
why lactose has less charges when packed in steel containers when compared with packing of lactose in polyamide material?
