What is vial equlibriation in Gc?
Answer / praveen kumar
Ans_It represents the duration required for the volatile compounds in the sample to reach a state of equilibrium between the liquid or solid phase and the headspace
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how you start RS method development when for new product?
what is the dipolement and how it is related to IR
1 Answers AJ Square Inc, Aurobindo,
Why we use buffers Acetate for pH 4.5 & phosphate for 6.8 and not vice-versa?
Why monograph of hplc coming upperside of drift but in IR monograph coming in drift side?
As per OOT for any product what is calculation and how to invetigate the OOT
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.
what is the principle involved in turbidometry and nephelometry ?
0 Answers Graviti Pharmaceuticals,
How do you verify the primary,secondary and tertiary amines by IR-Spectroscopy.
How will decide to use HPLC OR GC for developing method for unkown compund
How to select buffer for HPLC mobile phase
4 Answers Cadila, Cipla, Lupin,
identification is for unknown? qualification for known? reporting for LOQ?
in sampling of raw material which side is pasted sampled labels