what is the difference between capillary and glass column in GC1 5540
what is basc principle of the HPLC,IR,UV AND GC? what is difference between diffusion spectra and transmision spectra in IR?1 17952
plz tall me that any pharmacopeia and guideline is par meted to use 1.68,4.01,7.00,9.00,12.45 buffer for ph meter calibration1 1559
In pharmaceuticals formulation OOS applicable in Raw Material(which is not manufacturing in the company. and purchase by approved vendor)).Why?1 5798
On which pharmacopoeia basis we can calibrate instruments like HPLC,GC,UV,DISSO,IR etc...9 16271
How to make up 100ml of a solution cintaining compound A at 95µg/ml and compound B at30µg/ml for an HPLC reference standard.3 4172
How do we quantify crystaline and amarpous forms by using (NMR, XRD)spectroscopic techniques? Which any others instruments are useful for this quantification? explain1135
what type of question will ask in the interview of lab chemist.
are there in uv lamb that is chractrestic for wavelenghth 205 nm ?????
acceptance criteria for lod & loq by standard deviation of response and slope??
Basic principle of ESI?
What is the difference between purge septum flow and column flow in gas chromatography?
calibrtion procedue of LC-MS
Why we check moisture,ash & AIA in product
what is third integration
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 ?
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 do we quantify crystaline and amarpous forms by using (NMR, XRD)spectroscopic techniques? Which any others instruments are useful for this quantification? explain
what is the disso medium for tropsiun chloride
cefoperozone and sulbactam inj. hplc test method
Why do we use KMnO4 in the test of control of obsorbance ? and why do we take specific quantity i.e 57-63mg?