The acid-base titration for sodium bicarbonate was used.
酸碱滴定法测定碳酸氢钠的含量。
Method: acid base titration and colorimetric method of acid dye were used.
方法：采用容量法和酸性染料比色法。
A new procedure of potentiometric acid-base titration and curve fitting is described for determining very weak acids and bases.
提出测定极弱酸极弱碱的电位酸碱滴定拟合方法。
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