TRIS-Tetraphenylrecorcinol bis(diphenylphosphate) Trimer, 99% (LC)

Gadolinium (Gd)

Phosphate as (PO43-)

Sulfur Calibration Mixtures: Di-n-butyl sulfide in Heavy 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)