L-Serine Back Catalog number: 72249 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 54142 Alkalinity as Calcium Carbonate, 1000µg/ml in Water, 100ml Price on request 673709 Tolclofos-methyl, 10.0 µg/ml, Ethyl acetate, 10m Price on request 53090 Calibration Standard Kit Price on request