// multi-utility computation suite · offline · instant · precise
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sci.polymer-solution-viscosity Calculator
Calculates intrinsic viscosity [η] from Ubbelohde viscometer data and molecular weight using the Mark-Houwink-Sakurada equation: [η] = KM^a. Mark-Houwink exponent a: a ≈ 0.5 (theta solvent, ideal chain); a ≈ 0.7–0.9 (good solvent, expanded coil).
Inputs
C G Dl
Amount of solute per unit volume. Higher concentration = more solute dissolved.
Eta Solution Cp
Fluid resistance to flow. Water at 20°C: ~1 cP. Honey: 2,000–10,000 cP. Higher viscosity increases pumping power requirements.
Eta Solvent Cp
Fluid resistance to flow. Water at 20°C: ~1 cP. Honey: 2,000–10,000 cP. Higher viscosity increases pumping power requirements.
Mw G Mol
Body or object weight. For health calculators, usually in kg or lbs.
Results
relative viscosity η_rel
The value at the specified point or condition.
specific viscosity η_sp
Reference formula or conversion factor shown for context.
reduced viscosity η_red (dL/g)
Reference formula or conversion factor shown for context.