Sigma-Aldrich
Tungsten-rhenium alloy, W97Re3
Tungsten-silver alloy, W90Ag10
UV Photometric Accuracy Standards
Vanadium nitride
VAT BLUE 18 (C.I. 59815)
Vectra® A-30% glass fiber reinforced
Vectra® A-liquid crystal polyester
Welch® silicone tubing cartridge kit for bio-fluids