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Distilling Determination of Water Content in Hydraulic Oil (CAT#: STEM-PPA-0122-YJL)

Introduction

Water content in hydraulic oil is potentially harmful to the hydraulic systems and may even cause catastrophic damage to the machines. Water molecules can speed up oxidation and reduce life span of the systems by ways of rusting, corroding, etching and depositing. Therefore, measurement of the water content in hydraulic oil is extremely crucial. But quantitative water detection in oils is difficult because of perturbation of other impurity substances including dirt, soot, alkanes and synthetic compounds.




Principle

Azeotropic distillation refers to a series of techniques that destroy the azeotropic composition in distillation to carry out distillation or fractionation, and use two organic solvents to form an azeotrope for distillation.
Azeotropic distillation, also known as azeotropic distillation, is to add a selected third component to the separated mixed liquid to form a new azeotrope with one or more components in the original mixture. And its boiling point is lower than that of any original component. In this way, the new azeotrope is distilled from the top of the column during distillation, while the bottom product is a pure component, thereby achieving the purpose of separating the original mixture.
Azeotropic distillation is suitable for separating mixed liquids with only azeotropic composition and relative volatility close to 1.

Applications

Food industry; Petroleum industry

Procedure

1. Add the sample to the still.
2. Add to collection bottle.
3. Heat.
4. Collect the liquid.
4. Calculate moisture content.

Materials

• Sample Type: liquid or powder