MilliporeSigma
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1.04875

Supelco

Potassium dihydrogen phosphate solution

(buffer stock solution) 1/₁₅ mol/l

Synonym(s):
Potassium Phosphate Monobasic solution, Monopotassium phosphate, Potassium dihydrogen phosphate solution
CAS Number:
MDL number:

grade

certified reference material

Quality Level

density

1.005 g/cm3

application(s)

environmental
food and beverages
general analytical
industrial qc
pharmaceutical

format

mixture

storage temp.

15-25°C

SMILES string

[K+].OP(O)([O-])=O

InChI

1S/K.H3O4P/c;1-5(2,3)4/h;(H3,1,2,3,4)/q+1;/p-1

InChI key

GNSKLFRGEWLPPA-UHFFFAOYSA-M

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General description

The accuracy of pH measurement results is directly affected by the buffer reference materials used in calibration. Merck offers you a distinguished range of buffer solutions and substances for the exact calibration of your pH measurement equipment. Using Certipur® reference materials, you benefit from maximum accuracy, reliability and convenience and avoid costly repeat analyses. For your strictest demands in equipment calibration and monitoring, we provide certified secondary standard buffer solutions and substances offering the highest precision.

Our wide range of pH calibration buffers offers ideal products and packaging for your individual need. All buffer solutions are certified reference materials according to ISO 17034 and qualified in our DIN EN ISO/IEC 17025 accredited laboratory. They are all traceable to NIST (National Institute of Standards and Technology, USA) and PTB (Physical Technical Institute, Germany) primary reference materials. Buffers solutions are offered in plastic bottles, measured at 20 °C or 25 °C.

Application

Potassium dihydrogen phosphate, a monophosphate, is a certified reference buffer solution (CRM) used as a pH buffering agent, typically in combination with dipotassium phosphate.

Analysis Note

concentration: 0.0664 - 0.0670 mol/l

Legal Information

CERTIPUR is a registered trademark of Merck KGaA, Darmstadt, Germany

Storage Class Code

12 - Non Combustible Liquids

WGK

nwg

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificate of Analysis

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Certificate of Quality

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