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ammonia ethanolic ÊÇÒÒ´¼°· ½«5g  ammonia ethanolic ÓÃˮϡÊÍÖÁ100ml¿ÉµÃ
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Originally posted by kristyhy at 2009-12-3 10:54:
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55 ml ethanolic ammonia prepared by diluting 40 ml 25 % (w) aqueous ammonia with absolute ethanol to 200 ml.
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