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Environment

Photopette® is the ideal tool for photometric measurements directly on the spot in the environment.

Click on the links below to view our free application notes in the environment category:

Spirulina is a microscopic and filamentous cyanobacterium. It is promoted as a ‘superfood’ that contribute to high energy levels. This application note provides an easy and efficient experiment to determine the biomass in Spirulina cultures by photometry.

Determining Turbidity of an aqueous solution is a frequently used procedure to estimate the quality of water, or even concentration of suspended particles such as cells, bacteria and mud. Following the USEPA method and ISO 7027 method, the turbidity is measured at wavelengths of 570 nm and 850 nm respectively. This application note highlights the measurements of OD at these two wavelengths using the Photopette®.