which effect is mainly responsible for chromatographic separation when silica is the statinary phase at TLC? thanks in advance
1 3443what is different when impergnated silica plates are used in separation of azo dyes using column chromatography?
1711Why we are having specification 100% above in case of assay as there is only 100% of compound?
2 5391While performing TOC sst analysis Zero shift disabled & sample analysis zero shift enabled why?
2531which one is better separation in high pressure liquide chromatogram orlowpressure chromato gram in hplc
1906what is the concept for adjustment of pH in HPLC buffer solution ? a. Common ion effect b. Counter ion effect and explain me, how we adapt this principles & what is the role of these principles in our method
1 2992Post New Analytical Chemistry Questions
what is biorelivent dissolution media?
Ph meter can show more than 14 ph reading? Why ph range in between 1 to 14 only?
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?
how many types of balance calibration test?
How do we fix the sample concentaryion in hplc method development. What is the basis?
what is the different in Total ash, sulphated ash, acid insoluble ash, alcoholic or non alcoholic ash?
How to set analytical specification for combination products?
What is the accrptance criteria in RSD for RS method precision on basis of impurity percentages?
Did anybody have method for acetyl cysteine effervescnce tablet
Principle of single pan analytical balance
What is the calibration of uv process and preparation
what is third integration
1.What is the difference between method validation and method verification 2.Which guidelines proposed to method transfer
how you fix the limits of impurities?
In Dissolution Test why limit is define Q+5% what is the role of +5%.
