why using buffers in hplc inteed of water5 8463
How long we can use hygroscopic reference standard in terms of water absorb.I mean in line with respective monograph's specification or more than that?1 1258
Why we use methy Ethyl Propylparabine For HPLC Calibration1 3334
What is use of LOD and LOQ in validtion and give range and in calculation why we use 3.3* LOD here why we use 3.32 3073
In specificity what parametrs are consider why that parametrs2 3881
ash or residue in that what will be there.2 3188
what is the differance between Analytical and semi micro balance?2 9483
In the method validation proceedure,lod & loq calculation we use the formulae for LOD=3.3*SD/slope and for LOQ=10*SD/slope,why we use 3.3 & 10 in the formulae?1 8298
In HPLC Chromatographic separation Resolution equation is Rs = 1.18 (tR2 –tR1)/wh1+Wh2, Where, tR2 and tR1 is run time of eluent ratios of the distances from the point of application to the centers of the spots and the distance travelled by the solvent front from the point of application (retardation factor), and Wh1and Wh2 , is peak width of at half height. What is 1.18 ?1 3499
What is third generation HPLC Columns?
As per ICH related substances stability trend limit from initial to shelf life
How you develop a method in HPLC?
What is AV value in test uniformity content ,describe calculation
In IR spectra, generally a molecule vibrates without apply emr or ir light?
why we use a particular hplc column for a particular compound give reasons?please
While performing TOC sst analysis Zero shift disabled & sample analysis zero shift enabled why?
when we talk about change in entropy we consider total entropy means of surround +entropy of system but when we talk about change in Gibss free energy we consider entropy of system.explain with reason.
Why a1% value is used for some product ? What is the criteria for selection a1% value ?
iam usig ph buffers merk. manually how to prepare ?
1.What is the difference between method validation and method verification 2.Which guidelines proposed to method transfer
Why potassium dichromate was using in Uv calibration?
How much is the standard area for glc analysis
what is the procedure for cleaning of lenses of hatr accesory of ftir instrument?
why equlirium conatant of water have 14 value