性能描述

assay    ≥99.5% (T) 
impurities    DNases, none detected 
   RNases, none detected 
   insoluble matter, passes filter test 
   phosphatases, none detected 
   proteases, none detected 
ign. residue    ≤0.1% (as SO4) 
loss    ≤1% loss on drying, 110 °C 
pH    2.5-4.0 (25 °C, 1 M in H2O) 
useful pH range    6.5 - 7.9 
pKa (25 °C)    7.2 
solubility    H2O: soluble1 M at 20 °C, clear, colorless 

Component of running buffer in the fractionation of RNA on formaldehyde agarose gels.

Application
Satisfactory for electron transport studies and phosphorylation in chloroplast lamella preparations; non-toxic buffering system for the extensive growth of Streptomyces clavuligerus and cephalosporin production, in a chemically defined medium; electrolyte system component for the IEF of 2-D gel electrophoresis.