pH

Buffer

Molecular weight

20 mM

(g/l)

Common

Chemical

4

Trizma

(TrisHCl)

2-amino-2-(hydroxymethyl)-1,3-propanediol, hydrochloride

157.59

3.152

4.5

5

MES

2-(N-morpholino)ethanesulfonic acid

213.25

4.265

5.5

6

6.5

PIPES

piperazine-N,N’-bis (2-ethanesulfonic acid)

302.4

6.048

7.5

MOPS

3-(N-morpholino)propanesulfonic acid

209.3

4.186

8

BICINE

N,N-bis(2-hydroxyethyl)glycine

163.2

3.264