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Merck
CN

B5020

Buffer, reference standard

pH 4.00±0.01 (25 °C)

Synonym(s):

pH calibration solution at 25 °C pH 4.00±0.01

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About This Item

UNSPSC Code:
12161700
NACRES:
NA.25
MDL number:
Technical Service
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form

liquid

Quality Level

color

color-coded red

pH

4.00±0.01 (25 °C)

storage temp.

15-25°C

Application

The buffer reference standard was used in the calibration of a pH probe and pH meter in analytical procedures.

Features and Benefits

  • Traceable to NIST standard reference materials
  • A ready-to-use solution available in various packaging to provide ease-of-use

Packaging

500 mL size packaged in polyethylene bottle; 1 gal size in convenient shelf-top dispenser with spigot.

Analysis Note

Standardized against N.I.S.T. standard reference materials.


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Storage Class

12 - Non Combustible Liquids

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, multi-purpose combination respirator cartridge (US)



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Protocols

Enzymatic Assay of Carbonic Anhydrase for Wilbur-Anderson Units (EC 4.2.1.1)


An integrated flex-microfluidic-Si chip device towards sweat sensing applications
Nie C, et al.
Sensors and Actuators B, Chemical, 227, 427-437 (2016)
Hydrochloric acid alters the effect of L-glutamic acid on cell viability in human neuroblastoma cell cultures
Croce N, et al.
Journal of Neuroscience Methods, 217(1-2), 26-30 (2013)



Global Trade Item Number

SKUGTIN
B5020-6X500ML04061833433560
B5020-500ML04061837901553
B5020-1GA04061837901546