Merck
CN
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B5020

Supelco

Buffer, reference standard

pH 4.00±0.01 (25 °C)

MDL number:
NACRES:
NA.25

form

liquid

Quality Level

color

color-coded red

pH

4.00±0.01 (25 °C)

storage temp.

15-25°C

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Application

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

Packaging

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

Features and Benefits

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

Analysis Note

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

Storage Class Code

12 - Non Combustible Liquids

WGK

WGK 2

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificate of Analysis

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Certificate of Origin

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