PBS (phosphate buffered saline) is a pH-adjusted blend of ultrapure-grade phosphate buffers and saline solutions which, when diluted to a 1X working concentration, contains 137 mM NaCl, 2.7 mM KCl, 8 mM Na2HPO4, and 2 mM KH2PO4.
Each 10X PBS solution is ready to use upon dilution to the desired concentration.
This molecular biology-grade PBS is certified RNase-free; it is rigorously tested for contaminating nonspecific endonuclease, exonuclease, and RNase activity.
Available in 500 ML PETE/PETG Bottles.
This lyophilized preparation is stable at room temperature when garded from light, but should be kept at -20°C for long term storage, preferably with dessicant. Upon reconstitution, the preparation is stable when stored at 2-8°C. For maximum stability, apportion the reconstituted preparation into working aliquots and store at -20°C. Avoid repeat freeze/thaw cycles.