In burette calibration of Karl fischer Instrument, the multiplication factor 1.00693 is using for how much ml of water dispenced. why1 1939
Why we are injecting low load standard conc. while analysing Related Substances by HPLC?3 7253
why wetlab is called as wetlab6 11966
In UV-VIS spectrophotometer:My diluent is methanol even though i corrected base line for methanol,In my sample scan i found methanol peak.what is the reason?2 7192
What is the diffrence between the performing of LOD ordinary drying at voven and vaccum method.
How can we calibrate the burette dispencing capacity in metrorm kf titration calibration1 4394
how a particular wavelength can be different for a particular compund while analysing by uv and by HPLC.1158
in hplc calibration we are using 0.05% acetone why we are using that one and what happen when its conc increases or decreases4 19935
loss on drying we applied vaccum for some compounds and some compounds are at 105c why3 8515
why we are calibrating autopolarimeter with quartz control plates1 3911
what is the different in Total ash, sulphated ash, acid insoluble ash, alcoholic or non alcoholic ash?7345
why we use TLC?8 14890
why sre you used Potassium hydrogen phthalate in standarisation of 1N NaOH and 0.1 N Perchloric Acid?
what is third integration
In IR spectra, generally a molecule vibrates without apply emr or ir light?
Why potassium dichromate is used in calibration of uv?
Which type of column should i use to check the purity of high molecular weight protein using HPLC reverse phase column chromatography? Hi everyone. I wanna to check the purity of high molecular weight protein (collagen) with MW of ~130 kDa using a HPLC. I know C18
Why dissolution test is not performed in all of the products
Why only hydroxy naphthol blue indicator is used for standardisation of 0.05M EDTA solution instead of solochrome Black T or Euriochrome Black T indicator which is used for all sample analysis with 0.05M EDTA solution?
Why only Copper standard is used to calibrate Atomic Absorption spectrophotometer?
what is the principle involved in turbidometry and nephelometry ?
give clarity of linearity and range in method validation
Why irmoisture balance is used for corrugated box moisture testing
What is the difference between spectro meter and spectro photo meter?
how to select short coloum and long coloumn for new molecule
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?
4. Describe the operation of the Craig apparatus. Chapter.3 Equilibrium Processes in Separations