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USP
Adenine: White crystals or crystalline powder. Is odorless and tasteless. Sparingly soluble in boiling water;slightly soluble in alcohol; very slightly soluble in water;practically insoluble in ether and in chloroform.
Descriptive Term                             parts of solvent required for 1 part of solute
  ËµÃ÷Ïî                                                   Ã¿·ÝÈÜÖÊËùÐèµÄÈܼÁ·ÝÊý
Very soluble ¼«Ò×ÈÜ                                            £¼1
Freely soluble Ò×ÈÜ                                                 1-10
Soluble ÈÜ½â                                                        10-30
Sparingly soluble ÂÔÈÜ                                       30-100
Slightly soluble ΢ÈÜ                                              100-1000
Very slightly soluble¼«Î¢ÈÜ                            1000-10000
Practically insoluble, or Insoluble
¼¸ºõ²»ÈÜ»ò²»ÈÜ                                               £¾10000
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