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iamshower(½ð±Ò+5, ·­ÒëEPI+1):ËäÈ»ÊÇÖ±ÒëµÄ£¬²»¹ý»¹ÊÇллÄã 2010-09-07 16:51:30
Determination of acid production:

Take 1ml broth, adding 15mL ddw, 1 or 2 drops of 1% phenolphthalein alcohol solution, and with the calibration 0.1M NaOH titration to pale pink. By the consumption of NaOH solution to calculate the sample size of the acid content (acetic acid)
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