WP Calcium (Ca) Back Catalog number: 54154 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended XA11322500AL Chloridazon-methyl-desphenyl, 100µg/mL in Acetonitrile, 1ml Price on request S-4050-3-10IO Calibration Mixtures: Di-n-butyl sulfide in Isooctane Unit: 1x10mL screw-capped bottle Isooctane µgS/g (ppm) Wt.% S-4050-0-10IO 0 Blank 0 S-4050-1-10IO 1 0.0001 Etc. S-4050-10Kit Kit of above solutions Price on request 50203 Bromide (Br-) Price on request