By Anonymous on Tuesday, June 29, 2004 - 05:50 am:
Sir,
Can any one explain to me what precuations to be taken in generating packed columns,especially molecular sieves.
By Mike on Wednesday, July 7, 2004 - 01:01 am:
Adsorbed water takes about 3-4 hours to clear from a 2 meter Mol Sieve packed column at 300C.