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Phosphoenolpyruvate (PEP), for potassium test

tri(cyclohexylammonium) salt

For further processing only.

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Order information
Phosphoenolpyruvate (PEP), for potassium test material number and pack size:
Material Number Pack Size
11333968103 custom fill
Will be supplied as "PEP, tri-CHA for Potassium Test". Unit of measure is "kg".
Additional formulation: Crystallized monosodium salt, Catalog No. 10 152 960 103
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Overview
Substrate for phosphoenolpyruvate carboxylase
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Application
Use Phosphoenolpyruvate as a substrate for pyruvate kinase, stimulated by potassium, for the enyzymatic determination of potassium.
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Specification
Formula: C3H2O6P (C6H14N)3 x H2O
Molecular weight: 483.3 D (PEP: 168.0 D)
Appearance: Colorless crystallizate
PEP-(CHA)3 (from content found enzymatically): ≥96%
PEP (enzymatic): ≥34.5%
CHA (titrimetric): 57-67%
Water (K. Fischer): ≤4.5%
Pi: ≤0.6%
Pyruvate (enzymatic): ≤0.1%
Na (AES) : ≤100 ppm
K: ≤10 ppm
Stability: At +2 to +8°C within specification range for 24 months.