If the kits seem to catch on for arsenic tests, Hach may develop cheap test kits to measure fluorine levels as well.
要是砷的测试组受到欢迎的话，哈趣公司也许就会继续研发便宜的测试组来侦测氟。
The daily quick determination of COD in wastewater can be achieved using HACH 45600 COD detector with self-made reagents instead of the special reagents of HACH.
利用HACH公司的45600型COD反应器，用自制药剂替代HACH的专用药剂，能满足日常废水监测分析的COD快速测定。
The daily quick determination of COD in wastewater can be achieved using HACH 45600 COD detector with self-made reagents instead of the special reagents of HACH.
利用HACH公司的45600型COD反应器，用自制药剂替代HACH的专用药剂，能满足日常废水监测分析的COD快速测定。
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