pH of Metalworking Fluids and Cutting Oils
January 3, 2025 10:55 am Comments Off on pH of Metalworking Fluids and Cutting OilsThe pH level of a metalworking fluid is a key indicator of the fluid’s health. Many metalworking fluids have a
Author Archives for Dzmitry Korachkin
Oil-Water Emulsion Concentration Monitoring
March 25, 2024 12:35 pm Comments Off on Oil-Water Emulsion Concentration MonitoringFor optimal performance the concentration of the cutting fluid must be kept at the recommended level. If the concentration is
Biological Contamination of Cutting Fluids
March 25, 2024 12:15 pm Comments Off on Biological Contamination of Cutting FluidsCutting fluids, especially oil-water emulsions, are a perfect breeding ground for microbes. Ready access to water, oil and elevated temperatures,
Scanning Electron Microscopy
November 23, 2023 9:17 am Comments Off on Scanning Electron MicroscopyScanning Electron Microscopy with Energy Dispersive X-Ray Spectroscopy (SEM/EDX or SEM/EDS) is one of the best known and most widely-used
Microscopic Examination
November 22, 2023 11:29 am Comments Off on Microscopic ExaminationA good place to start any investigation is Microscopic Examination of the debris sample or of particles isolated from a
Samples to take
November 20, 2023 12:14 pm Comments Off on Samples to takeWith any investigation it helps to be mindful of the analytical process at the sampling stage. As ever, you will
Questions to ask
November 20, 2023 10:17 am Comments Off on Questions to askWhen starting an investigation it helps to understand what it is you are trying to find out. Sometimes this seems
Detecting Sulphur Hexafluoride (SF6) in Transformer Insulating Oil
July 20, 2023 9:54 am Comments Off on Detecting Sulphur Hexafluoride (SF6) in Transformer Insulating OilDetection of SF6 in transformer oil is a new service offered by OAS. “Sulphur Hexafluoride or SF6 is used in the electrical
Oil Analysis Report Layout
February 18, 2022 12:57 pm Comments Off on Oil Analysis Report LayoutHere we will dissect a page from a typical oil analysis report. We do our best to make our reports
Density and Specific Gravity
April 22, 2021 1:21 pm Comments Off on Density and Specific GravityDensity is a measure of mass per unit volume. It is a fundamental physical property and can be used together
ISO 4406, NAS 1638 & SAE AS4059 Cleanliness Codes
July 23, 2019 3:08 pm Comments Off on ISO 4406, NAS 1638 & SAE AS4059 Cleanliness CodesThere are a number of different cleanliness code standards, we will detail a few of the common ones here. ISO
Biological Contamination
March 8, 2018 1:44 pm Leave your thoughtsBiological contamination of fuel tanks and large circulating oil systems (such as steam turbines, paper machines, etc) is a growing
Filter Debris Analysis
January 23, 2018 11:59 am Leave your thoughtsOil filters are essential to maintaining oil cleanliness and removing wear metals and contaminants. As they perform their function, however,
Adblue
October 13, 2017 4:17 pm Leave your thoughtsAdblue is used as a consumable in selective catalytic reduction in order to lower NOx concentration in the diesel exhaust
Coolant pH
October 13, 2017 4:09 pm Leave your thoughtsTesting a coolant’s pH level will indicate its acidity or basicity. pH is a measured on a standard scale from
Glycol and Freezing Point
October 13, 2017 4:03 pm Leave your thoughtsWe use a refractometer to measure levels of Ethylene Glycol and therefore the Freezing Point of the coolant mixture.
Demulsification Value
October 13, 2017 10:50 am Leave your thoughtsDemulsification value reflects the ability of the oil to shed water from an emulsion. It is commonly applied to turbine
Air Release
October 13, 2017 10:20 am Leave your thoughtsAir can be present in the oil in the following states: dissolved, entrained, free and foam. A certain quantity of
Foaming Characteristics
October 13, 2017 9:19 am Leave your thoughtsFoaming of lubricating oils is a relatively common issue. It is especially pertinent in applications involving turbulence, high speed gearing
Water Tests – Full
October 12, 2017 3:49 pm Leave your thoughtsWater Coliforms (Total & E.Coli) This is the most basic test for bacterial contamination of a water supply. Total coliform
Metals Chemistry
October 12, 2017 3:43 pm Leave your thoughtsAlkali metals are very reactive with water. The reactions with water can be violent, with the evolution of hydrogen gas
Total Suspended Solids (TSS)
October 12, 2017 3:42 pm Leave your thoughtsTotal suspended solids are solid materials that are suspended in water. These would include silt, plankton and industrial wastes. If
Settleable Solids
October 12, 2017 3:41 pm Leave your thoughtsThe settleable solids test is the measurement of the volume of solids in 1 litre of sample that will settle
Chemical Oxygen Demand (COD)
October 12, 2017 3:40 pm Leave your thoughtsCOD is the standard method for indirect measurement of the amount of pollution in a sample of water. The result
Phosphate
October 12, 2017 3:39 pm Leave your thoughtsPhosphates can play both a positive and negative role in the water and waste water industry: Phosphate is added to