This recall involves Almpal dissolved oxygen test kits. The test kits come in a cream-colored box bearing a white label with "Dissolved Oxygen Test Kit" and the manufacture date, batch number, and ...

This is a preview. Log in through your library . Abstract A modification of a simple field method (Drew and Robertson, 1974) for the Winkler determination of dissolved oxygen is described. The ...

Figure 1: N 2 O emissions at 23 sampling sites along the Grand River. Twenty-three sites along the length of the Grand River, Ontario, Canada (Supplementary Fig. S1) were sampled twice a day (before ...

With its faster response (T90 < 80 s) this sensor is ideally suited when new and fast wastewater treatment methods like SBR reactors (Sequential batch reactors) are used. The interchangeable membrane ...

BISMARCK — Every year from mid-to-late February, fisheries biologists check lakes to see how they fared through North Dakota’s leanest months. North Dakota Game and Fish Department fisheries ...