What are the class-1 residual solvents listed in ICH guidelines?
Answer Posted / b.gangatharan
According to Q3c in ICH guidelines and USP Chapter <467> the following 4 solvents are listed .
1)Benzene
2)1,2-Dichloro ethane
3)1,1-Dichloroethene
4)1,1,1-Trichloroethane
Thanks,
B.Gangatharan
Caplin point Ltd,unit-1
| Is This Answer Correct ? | 4 Yes | 3 No |
Post New Answer View All Answers
Why to use propyl paraben in HPLC gradient calibration
in dissolution why pool sample needed? in which type of drug pool sample need?
IS THERE ANY EQUIPMENT TO CHECK AND CALCULATE THE POLARITY OF A LIQUID?
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?
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
all types of questions asked at the cipla interview
What is the difference between purge septum flow and column flow in gas chromatography?
what is mean by covalidation
What should be the level/ Percentage of Arsenic in Arsenic free zinc.
Difference between hlaf and rlaf
from where i get mortar pastle for glass bottle crush? it's required for testing of it?
how to qualify the impurity?
What is stray light in uv what are units for stray light
Why dissolution test is not performed in all of the products
what is difference between UV - VISIBLE MODEL NO like 1600,1601,1700 etc ? plz explain me