Laboratory Grade Heavy Mineral Oil, 500mL Subcategory_Stains and Dyes this stackable plastic sieve pack

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

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

Nickel-plated steel beaker tongs with rubber-coated jaws that grip beakers from 50 mL to 2 liters without scratching the glass surface during hot transfers

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

Laboratory Grade Heavy Mineral Oil, 500mL Subcategory_Stains and Dyes this stackable plastic sieve packFive 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.