Physical Weight Iron Weight Set for Laboratory Calibration, Precision Mass Standards, Weight Measurement, STEM Education, Classroom and Lab chlamydomonas reinhardtii amazon Simply rinse them after use
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Physical Weight Iron Weight Set for Laboratory Calibration, Precision Mass Standards, Weight Measurement, STEM Education, Classroom and Lab chlamydomonas reinhardtii amazon Simply rinse them after use Simply rinse them after use and sterilize as needed Material Aluminum Alloy