Laboratory Grade Heavy Mineral Oil, 500mL Subcategory_Stains and Dyes LED-indicating 2-input AND gate module

LED-indicating 2-input AND gate module showing HI and LO states with red and green LEDs and a printed truth table

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

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

and raised graduations with full autoclave and dishwasher tolerance

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

Laboratory Grade Heavy Mineral Oil, 500mL Subcategory_Stains and Dyes LED-indicating 2-input AND gate moduleFive 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.