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4Â¥2008-05-07 07:56:40
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solvent    polarity    Viscosity(cp20¡æ)    Boiling point(¡æ)    UV cutoff(nm)
Hexane(¼ºÍé)    0.06    0.33    69    210
Cyclohexane(»·¼ºÍé)    0.10    1.00    81    210
Ethyl acetate£¨ÒÒËáÒÒõ¥£©    4.30    0.45    77    260
i-propanol(±û´¼)    4.30    2.37    82    210
Chloroform(ÂÈ·Â)    4.40    0.57    61    245
Acetonitrile(ÒÒëæ)    6.20    0.37    82    210
Methanol(¼×´¼)    6.60    0.60    65    210
water    10.20    1.00    100    268
Benzene(±½)    3.00    0.65    80    280
Ethyl ether(ÒÒÃÑ; ÃÑ)    2.90    0.23    35    220
2Â¥2008-05-06 23:56:21
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dujianli

½ð³æ (ÕýʽдÊÖ)

solvent    polarity    Viscosity(cp20¡æ)    Boiling point(¡æ)    UV cutoff(nm)
Hexane(¼ºÍé)    0.06    0.33    69    210
Cyclohexane(»·¼ºÍé)    0.10    1.00    81    210
Ethyl acetate£¨ÒÒËáÒÒõ¥£©    4.30    0.45    77    260
ethanol    4.30    1.20    79    210
Chloroform(ÂÈ·Â)    4.40    0.57    61    245
Acetonitrile(ÒÒëæ)    6.20    0.37    82    210
Methanol(¼×´¼)    6.60    0.60    65    210
water    10.20    1.00    100    268
Benzene(±½)    3.00    0.65    80    280
Ethyl ether(ÒÒÃÑ; ÃÑ)    2.90    0.23    35    220
3Â¥2008-05-06 23:58:45
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dujianli

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5Â¥2008-05-07 10:01:32
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