12-Pack Translucent Wide Mouth Square HDPE Reagent Bottles with PP Caps, 60mL, -100 to 120°C Essential Supplies 4 with 100 dip strips

4 with 100 dip strips per vial

converting solar radiation to measurable thermal energy on an 18-inch-tall stand

Tear-to-length blue litmus paper on a 5-meter roll detects acidic solutions during classroom acid-base chemistry activities without pre-cut strip waste

and a second copper) for side-by-side comparison of conductivity and resistance

this nickel-plated brass cork borer set cuts clean holes in cork

12-Pack Translucent Wide Mouth Square HDPE Reagent Bottles with PP Caps, 60mL, -100 to 120°C Essential Supplies 4 with 100 dip stripsTwelve pack of 60mL wide mouth HDPE reagent bottles handles powders and viscous samples from 100 to 120C with leak proof polypropylene caps.