Question #37170

Why added NH4OH to isopropylalcohol in determination H2S&RSH in liquid hydrocarbon(UOP-163) in potentiometric with AgNO3?

Expert's answer

AgNO3 + 2NH3 = [Ag(NH3)2]NO3.
The ammonia is added to couple the silver cations into a complex and thus avoid side reactions such as precipitation of silver chloride. Therefore it is used to increase the measurement accuracy.

Need a fast expert's response?

Submit order

and get a quick answer at the best price

for any assignment or question with DETAILED EXPLANATIONS!

LATEST TUTORIALS
APPROVED BY CLIENTS