The determination of the degree of deacetylation of chitosan by linear potentiometric titration was studied, and the determined values were compared with the values determined by acid-base titration.
采用线性电位滴定法测定壳聚糖的脱乙酰度,并与酸碱指示剂滴定法测定的结果进行比较,结果表明线性电位滴定法测定比较适合粘度高的样品,且分析速度快,操作简单,精密度高。
The degree of deacetylation of chitosan is determined by acid-base titration and linear potentiometric titration.
采用酸碱指示剂滴定法和线性电位滴定法测定壳聚糖的脱乙酰度,结果表明线性电位滴定法比酸碱指示剂滴定法能更好地避免人为误差,具有较高的准确性和精密度,而且操作简单。
Dosage titration of durogesic in the treatment of cancer pain;
方法收集我院疼痛门诊或住院中、重度癌痛患者34例,采用开放非对照试验使用吗啡PCIA行多瑞吉剂量滴定治疗癌痛。
Dosage titration of durogesic in the treatment of chronic noncancer pain;
方法 疼痛门诊中到重度慢性非癌性疼痛患者 2 3例 ,采用开放非对照试验使用吗啡静脉PCA行多瑞吉剂量滴定治疗慢性非癌性疼痛。