摘要
本文研究了利用薄层树脂相通过光度法测定痕量铁的新方法．Ｆｅ３ ＋ 在ｐＨ＝ ２ ．０ 的ＨＣｌ 介质中与磺基水杨酸形成稳定的紫色络合物，将其富集在Ｈ＋ 型（７３２ ＃ ） 阳离子交换树脂上，将着色的树脂制成薄层直接测定．本法操作简便，装皿容易，选择性好，适用于天然水中痕量铁的测定．
A new anaytical method for direct thin layer resin phase spctro photometry determination of trace iron has been developed.A Colorful complex was obtained by the reaction between Fe 3+ ion and sulphosalicylic acid in hydrochloric acid medium of pH 1.5～3.0 and then enriched on cationic exchang resin (732 #). The concentration of iron was directly determined on a thin layer of the iron enriched actionic exchange resin.The proposed method is rapid,sensitive and selective,It has been used to determine iron in water and satisfactory results were obtained.
出处
《松辽学刊（自然科学版）》
1999年第4期29-31,共3页
Songliao Journal (Natural Science Edition)
