Laboratory Grade Heavy Mineral Oil, 500mL Subcategory_Stains and Dyes each with an 8-inch external

each with an 8-inch external probe on a 36-inch cord for class-wide temperature measurement from -50 to 300°C at ±1°C accuracy

this plastic box of pH 1-11 test strips supports classroom chemistry and environmental sampling

the standard iron source for visualizing magnetic field lines and demonstrating sulfur-iron compound synthesis

this stackable plastic sieve pack progressively sorts earth-science and soil-study samples by particle size

preferred over iron or nichrome because it contributes no color of its own to the flame

Laboratory Grade Heavy Mineral Oil, 500mL Subcategory_Stains and Dyes each with an 8-inch externalFive hundred mL bottle of laboratory grade heavy mineral oil, the higher viscosity counterpart to the light grade for anaerobic culture overlay work where slow vapor permeation matters.