please explian me about area normalisation method,diluted standard method,impurity vs impurity and which one has to be selected in method development386
How they found 1mL of K.F reagent is equivalent to 5mg of water and if we change the composition of K.F reagent, is it can neutralize more amount of water?432
How can we calculate offset value pH measurment258
What is stray light in uv what are units for stray light303
What are usp limits for theoritical plats,resoution,tailing factor,peak to valley ratio376
Why acetonitrile and water are used as extraction solvent when analysis melamine? I thought they are miscible and won't be able to separate...334
In HPLC calibration, caffeine is used as primary standard for wave length calibration due to caffeine is having dual maxima at 273 & 205 nm and one minima at 245 nm. Any body can give reference of these details from any pharmacopeia (with chapter no.) or any other authentic guideline?355
How to check hplc detecter sensitivity?295
How to estimate potassium?1 325
How to start the dissolution development for unknown tab?
acceptance criteria for lod & loq by standard deviation of response and slope??
How do we get end points and how many end points are possible for citric acid and di-acid not theorotically answer should be given practically.
Why only Copper standard is used to calibrate Atomic Absorption spectrophotometer?
why sre you used Potassium hydrogen phthalate in standarisation of 1N NaOH and 0.1 N Perchloric Acid?
A ha tc is actual defination of retention time?
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?
How they found 1mL of K.F reagent is equivalent to 5mg of water and if we change the composition of K.F reagent, is it can neutralize more amount of water?
WHICH STANDARD WE USE IN SILICA ANALYSIS IN SILICA-GEL METHOD FOR SOLID SAMPLE
why octanol used to determine the partition coefficient ?
WHAT IS DIFFERENCE B/W MALTINGRANG/DSC
Why Ethanol is Used for Standardization of GC Head space?
which one is better separation in high pressure liquide chromatogram orlowpressure chromato gram in hplc
i want model written test paper for the post of analyst in IOCL(indian oil corporation ltd) any one pls help me
Identify problem faced when mass spectroscopy is used with HPLC system ?