Premium High Resolution Acrylic Spring Balance with Dual Scale Chemical_Bismarck Brown 3 filter paper measures 46

3 filter paper measures 46 x 57cm for separating slower-moving analytes in sample extracts

Wall-powered halogen ray box producing convergent parallel rays bright enough to trace in normal classroom light

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

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

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

Premium High Resolution Acrylic Spring Balance with Dual Scale Chemical_Bismarck Brown 3 filter paper measures 46Dual grams and newtons scale on a zero calibratable acrylic spring balance with high resolution subdivisions for precise force and mass measurement in teaching labs.