Assertion: amylase's ph | /r/HasProperty | buffer a
Facets:
Source sentences:
text: MATERIALS AND METHODS Phosphate buffer (50 mM ) is prepared by dissolving the required amount of dibasic phosphate in distilled water and titrating to pH 4 (buffer A), 5 (buffer B), 6 (buffer C), 6.5 (buffer D), and 7 (buffer E) with monobasic solution before making up the final volume.