For low- to medium-range colorometric analysis of water quality. Ranges: 0-1 and 1-10ppm. Includes 30 self-filling ampules, comparators, accessory solutions, snap cup and instructions.
Wards* Chemistry Endospore Stain Kit, for 50 Slides, Distinguish between endospores, vegetative structures of bacterial cells,The endospores will stain green against a pink background, Includes spore staining solution, safranin O solution, and instructions