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Key Documents

B5020

Supelco

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

MDL number:
UNSPSC Code:
12161700
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.

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.

Storage Class Code

12 - Non Combustible Liquids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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