Laboratory Grade Heavy Mineral Oil, 500mL Subcategory_Stains and Dyes this plastic box of pH

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

Cylindrical dropping funnel in borosilicate glass holds 50mL with PTFE stopcock

which comprises a 19 color LCD monitor

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

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 this plastic box of pHFive 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.