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(a) a glass column 1.5m long and 4mm in internal diameter packed with acid-washed, silanised diatomaceous support (100 to 120) mesh coated with 3 per cent w/w of cyanopropylmethyl phenylmethyl siliconc fluid(OV 225 is suitable), and maintained at 160. treat 0.1g of the substance being examined in a similar maner but omitting solution A;treat 0.1g of the substance being examined as described for solution(1)j. [ Last edited by 393567489 on 2010-3-22 at 11:21 ] |
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393567489(½ð±Ò+5):3Q VRMH 2010-03-22 15:19
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