NFR - Normal Frog Ringer (500 ml) - Ready to use Sodium bicarbonate has been observed

Sodium bicarbonate has been observed to significantly decrease serum potassium levels as well as increase blood pH and bicarbonate concentration

Do not Iron and do not use bleach

it is used as a stabilizer and moisture medium

10x concentrate NFR solution

NaH2PO4 = 1

NFR - Normal Frog Ringer (500 ml) - Ready to use Sodium bicarbonate has been observedNormal Frog Ringer (NFR) is used for lab experiments with Xenopus laevis oocytes to guarantee a physiological environment with respect to homeostasis, pH and osmolarity. Product information Ready to Use NFR solution autoclaved Instructions for use: Ready to use: Direct use Adjust to pH 7. 4 Use immediately once opened. Store at 4 8 C Ional composition of NFR Solution NaCl = 90 mM KCl = 2 mM CaCl2 = 2 mM MgCl2 = 1 mM HEPES = 5 mM