Sigma-Aldrich
pipette tips
吸头
Pipette tips refill rack
Screw cap tubes and caps, conical bottom
Aluminium weighing boat
Deep well plate
深孔板
Glass beads-particle size distribution
Low Density Polyethylene Resin
聚乙烯
PCR strip tubes
PCR排管
Cast Iron
OneRack® Test Tube Rack
Pipette reference tips
Ni/Cr thin film depth profile standard
SynthwareTM chromatography column with PTFE stopcock and coarse frit