[3/28, 20:52] Manoj P Venkatpurwar: how many impurities require to inject in assay specificity that how we can find out?
and in Rs also how?
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how we can identify the impurity is coming below loq at transfering site?
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In chromatograpbic purity 90% is there, in assay 70% is there. How will you prove remaining 30%.
What is chiral and why this performing in HPLC
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why 1.2%kcl solution is using in limit os straylight?and why this test used for uv calibration?
1 Answers Graviti Pharmaceuticals, Reddy Labs, Vimta Labs,
why plane of polarized light rotated by opticaly active compunds?
Hello Dear all; I have a technical question related to analytical Chemistry, I have a sample of (40% w/w) Ferric Chloride solution (for water treatment purposes which consist a little portions of Ferrous Chloride and Hydrochloric acid. I need to know the methods to determine the percentages of each Ferrous Chloride and Chloride acid. Also I want to make sure that this solution is truly (40% w/w). So ANY CLUE !!! Thanks in advance.
Can you please give a suitable definition and an example for understanding the words purity and potency.
6 Answers Cipla, Malladi Drugs and Pharmaceuticals, Reddy Labs,
2. Two grams of Benzoic acid are dissolved in 200 ml of water and extracted with 200 ml of diethyl ether. The distribution coefficient of benzoic acid is 100, and its dissociation constant is 6.5 10-5. Calculate the distribution ratio (D) of benzoic acid at pH 2, 5, and 6. 3. Calculate D at pH 2 to 10 (1 unit apart) in the above problem, and plot D versus pH.
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