What is difference between Related Substance & Impurity
Profile?
- 2 Answers
- 50291 Views
- Jubilant Organosys, I also Faced
- E-Mail Answers
Answer Posted / durga
related substances mean process related compounds and degradation compounds of drug substances or products.
Impurity profile is a description of the identified and unidentified impurities present in a typical batch of API or products.(Terms such as byproduct, transformation products, degradation products, interaction products, esidual solvents,related products and toxic impurities)
| Is This Answer Correct ? | 94 Yes | 15 No |
Post New Answer View All Answers
can we use the same detector in HPLC as well GC and what could be the differences we can find in the final chromato graph in any aspects?
Explain the relations between number of carbon atoms in alkanes and retention time ?
WHICH STANDARD WE USE IN SILICA ANALYSIS IN SILICA-GEL METHOD FOR SOLID SAMPLE
why we use glass fiber filters use in some situation?
Why to use propyl paraben in HPLC gradient calibration
Why six unit used for precision?
how to select short coloum and long coloumn for new molecule
Why do we use KMnO4 in the test of control of obsorbance ? and why do we take specific quantity i.e 57-63mg?
Why irmoisture balance is used for corrugated box moisture testing
My question about gas chromatography sulfur chemiluminsecence detector. I test unknown sample gas by GC-SCD (calibrated ) and the result of *H2S is 279 PPM , *but when I test the same sample with the GC-TCD (calibrated ) the value of *H2S is 2500 PPM . I'd like to inform you that both GCs are calibrated and have very good operation conditions with stable parameters . the question is if the sample gas with higher H2S over detection limits of SCD detector (1000 ppm). why the result it 279 ppm Best regards
on saturation solubility study data how we can find out the bcs class of drug?
Please tell me about the pH of Polycaboxylic ether is it in the 5-6 range ever or more than 6
Why potassium dichromate is used in calibration of uv?
what parameters we will consider while developing a HPLC method and how we confirm our HPLC method is valid?
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?
