CONOSTAN Standard S-21, 100 ppm, 100g

Streptavidin-R-Phycoerythrin (ver 9), 50

Sulfur Calibration Mixtures: Di-n-butyl sulfide in Light White Oil (less than 20mg/kg S) Unit : 10mL screw-capped bottle Light White Mineral Oil Heavy White Mineral Oil (20 cSt at 40°C) (70 cSt at 40°C)

Ethers & Thioethers