以鲜榨菠萝汁为样品，建立了测定果汁总酸的自动电位滴定法。

With fresh pineapple juice as a sample, the automatic potentionmetric titration was established to analyze the total acidity in the fruit juices.

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以鲜榨菠萝汁为样品，建立了测定果汁总酸的自动电位滴定法。

With fresh pineapple juice as a sample, the automatic potentiometric titration was established to analyze the total acidity in the fruit juices.

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结论：自动电位仪在线滴定法配有直观的屏幕、实时显示滴定曲线； 能够自动控制滴定过程、判断终点、处理数据；

Conclusion:On-line titroprocessor with screen can directly show titration curve, automatically control titration process, judge titration end point and treat data;

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