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Acros Organics offers a wide range of biological buffers

All of them are available in high chemical purities and in different grades: biograde, p.a. or molecular biology grade.

Code

Product

pKa

Buffer range

32776

MES

5.96 at 37°C

5.5 to 6.5

32772

Bis-Tris

6.36 at 37°C

5.8 to 7.3

32768

ADA

6.6 at 25°C

6.0 to 7.2

32767

ACES

6.8 at 25°C

6.1 to 7.5

32778

PIPES

6.66 at 37°C

6.1 to 7.5

32777

MOPSO

6.75 at 37°C

5.2 to 7.6

32770

BES

7.1 at 25°C

6.4 to 7.8

32766

MOPS

-

6.5 to 7.9

32782

TES

7.4 at 25°C

6.8 to 8.2

17257

HEPES

7.31 at 37°C

6.8 to 8.2

32775

DIPSO

7.35 at 37°C

6.85 to 7.85

32781

TAPSO

6.66 at 37°C

6.9 to 7.9

32779

POPSO

7.63 at 37°C

7.1 to 8.1

17260

EPPS

8.0 at 25°C

7.3 to 8.7

16762

TRIS

7.77 at 37°C

7.30 to 7.80

32783

TRICINE

8.1 at 25°C

7.4 to 8.8

32771

BICINE

8.3 at 25°C

7.6 to 9.0

32780

TAPS

8.4 at 25°C

7.7 to 9.1

20818

CHES

9.3 at 25°C

8.6 to 10.3

32769

AMPSO

9.10 at 37°C

8.6 to 9.7

32774

CAPSO

9.43 at 37°C

8.9 to 9.9

32773

CAPS

10.4 at 25°C

9.7 to 11.1

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