Premium High Resolution Acrylic Spring Balance with Dual Scale Chemical_Bismarck Brown One-liter self-venting LDPE methanol wash

One-liter self-venting LDPE methanol wash bottle features chemical labeling for bulk solvent storage and dispensing in teaching and research labs

3 glass features 14/23 cone with round end for sealing ground joint vessels and chemistry apparatus

Quartzite hand sample measures 3 inches with recrystallized quartz texture so hard it scratches glass for metamorphosed sandstone identification

Used as an overlay to prevent evaporation and maintain anaerobic conditions in microbiology cultures

Premium High Resolution Acrylic Spring Balance with Dual Scale Chemical_Bismarck Brown One-liter self-venting LDPE methanol washDual grams and newtons scale on a zero calibratable acrylic spring balance with high resolution subdivisions for precise force and mass measurement in teaching labs.