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本法探讨了用对氨基水杨酸为显色剂，紫外分光光度法测定水源水中吡啶的新方法。本方法的线性范围为0．005mg/l～0．05mg/l；平均回收率为96．8％，变异系数为4．8％；最低检出限为5μg／l。
This law discusses the use of p-aminosalicylic acid as a reagent, UV spectrophotometry Determination of water source water pyridine new method. The linear range of this method is 0.005mg / l ~ 0.05mg / l; the average recovery is 96.8%, the coefficient of variation is 4.8%; the minimum detection limit is 5μg / l.