Tris Hydrochloride for molecular biology

Tris Hydrochloride for molecular biology
Content: 500 GRM
Physical Description:
Solid
Specification: DNases/RNases/Proteases: not detectable
Assay (titr., dried subst.): min. 99 %
pH (0.5 M; H2O): 3.5 - 5.0 (25°C)
Water:?max. 0.5 %
As:?max. 0.0001 %
Ba:?max. 0.0001 %
Cd:?max. 0.0001 %
Cu:?max. 0.0001 %
Fe:?max. 0.0005 %
Mn:?max. 0.0001 %
Pb:?max. 0.0001 %
Zn:?max. 0.0002 %
A (1 cm/1 M in H2O):
260 nm:?max. 0.06
280 nm:?max. 0.05