Peroxide Detection Test Strips Description/Special Features Test Strips Used to Detect Peroxides in Organic Solvents and Aqueous Solutions 0-50 50-100 100-250 250-350 350-500 ppm Number of Tests 50 Operating Temp Range 0 Degrees to 50 Degrees C Form Test Strips Length 2-1/2 In. Width 1/4 In. Size 50 Strips Shelf Life 9 mo. Package Quantity 50