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Pipes

free acid

For further processing only.

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Order information
Pipes material number and pack size:
Material Number Pack Size
10239500103 custom fill
Will be supplied as "Pipes, Free Acid". Unit of measure is "kg".
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Overview
Buffer for diagnostic tests, such as cholesterol test.
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Application
Use Pipes as a buffer in a variety of diagnostic tests, especially in tests for cholesterol and triglycerides.
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Specification
Nomenclature: Piperazine-1,4-bis-2-ethane sulfonic acid
Formula: C8H18N2O6S2
Molecular weight: 302.4 D
Suggested pH range: 6.1-7.5
Appearance: Colorless crystals
Solubility: Clear, colorless solution in water (c=10 mg/mL)
pK value: 6.8±0.1
Pipes (alkalimetric): ≥98%
Pipes (from N): ≥98%
A260 (c=10 mg/mL water) : ≤0.05
Thin layer chromatography (TLC): Chromatographically homogeneous
Br (ion chromatography): ≤0.5%
Identity (IR spectrum): Corresponds to reference
Stability: At +15 to +25°C within specification range for 24 months.