Raw Sulfur Mineral Hand Sample, Approx 3 inch Physics_Mechanics Hydrophobic filter-lined sterile pipette tips

Hydrophobic filter-lined sterile pipette tips cover 200-1250 microliters in a 96-rack with graduations for DNA and RNA work and autoclavable reuse

Encoder wheel to report position

representing sulfur or other tetravalent yellow-convention atoms in ball-and-stick molecular model structures

Thymol Blue (CAS # 62625-21-2)

sized as both a teaching demonstrator and a small-footprint bench AC supply

Raw Sulfur Mineral Hand Sample, Approx 3 inch Physics_Mechanics Hydrophobic filter-lined sterile pipette tipsBuilt for elemental mineral teaching, this 3 inch raw sulfur hand sample reveals bright yellow color and brittle fracture characteristic of native sulfur.