Assessing Corrosion Resistance with the Brake Fluid Anti‑Rust Performance TesterIntroductionBrake fluids must not only transfer hydraulic force reliably but also protect metal components from corrosion over time. The Brake Fluid Anti‑Rust Performance Tester from Changsha Friend Experimental Analysis

Streamlining Interfacial Tension Measurements with Fully Automatic Interfacial Tension MetersInterfacial tension (IFT) between liquids dictates emulsion stability, extraction efficiency, and enhanced oil recovery performance. The Fully Automatic Interfacial Tension Meter from Changsha Friend Experim

Ensuring Ultra‑Pure Water for Critical Research with Laboratory‑Grade Pure Water SystemsMany analytical techniques—high‑performance liquid chromatography (HPLC), mass spectrometry, and molecular biology assays—demand water of the highest purity. The Ultra Pure Water Machine for Laboratory from Chang

Accurate Nitrogen Determination via High‑Performance Nitrogen Content TesterNitrogen content in organic and petrochemical samples influences product performance, regulatory compliance, and application suitability. The Nitrogen Content Tester by Changsha Friend Experimental Analysis Instrument Co., L

Precision Water Determination in Crude Oil with High‑Speed CentrifugationAccurate measurement of water content in crude oil is a cornerstone of quality control for upstream production, custody transfer, and refining operations. The Centrifuge for Water Determination of Crude Oil from Changsha Friend