What is the difference between purge septum flow and column flow in gas chromatography?
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inhouse product is in capsule form in combination and RLD is in tablet form then can we proceed for multimedia CDP? in inhouse capsule product disso is paddle with sinker in release media is there then RLD product in tablet form then with same as paddle with sinker we can proceed n.a.?
If we change lenght of ph eletrode wire then it will affect on ph ?
why hexane is used for FID calibration in GC
How to prepare 50 ppm ammonia solution form 25% ammonia solution?
In Force degradation Study Compound is not degrade in any condition , also in higher stress what can i do ?
Why use only methanol,used determinationof moisture content not use other solvents
what is batch no. of prednisole tablet.
From where 16 or 5.545 is derived in theoretical plates calculation formula by USP or JP/BP/DAB and what is meaning of this coefficient and impact in calculation ?
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principle of UV , PDA , RI detector in HPLC
Through 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%
how to calculate corelation coefficient in G.C Calibration? what is the calculation part?
How do we fix the sample concentaryion in hplc method development?