德国MN 920040型VISOCOLOR® HE铁高精度测试套件
比色法测试铁浓度。
三嗪-方法:铁(II)离子与三嗪衍生物反应形成紫色络合物。铁(III)离子被还原并因此也被检测。
数据和订购信息:
产品编号 |
920040 (920140) |
产品类型 |
VISOCOLOR® HE Iron High Sensitive Test Kit (Refill Pack) |
测试范围 |
0.0,0.01,0.02,0.03,0.04,0.05,0.07,0.10,0.15,0.20 mg/L Fe |
测试次数 |
300次/盒 |
保质期 |
自生产后至少2年有效期 |
海水分析 |
不适用 |
供应商 |
上海益朗仪器有限公司 |
天然水和废水通常含有一些铁。如果水的pH值低于3或者如果水不含氧,它可以作为Fe(II)或Fe(III)离子存在。在较高的pH值下,Fe(III)形成不溶的羟基水合物。通常样品处于过渡状态,具有细分散的氧化铁。在含有腐殖酸的废水和天然水中,铁通常以复盐的形式存在。VISOCOLOR®测试套件仅测定溶解形式的铁,如Fe2+或Fe3+离子。除非通过用nitric acid和sulphuric acid氧化分解铁络合物,否则不会覆盖铁络合物。
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