METHODS AND APPLICATIONS
We check water-mixed cooling lubricants for you in accordance with DGUV 109-003, as well as cooling water, process water and cleaning baths:
- pH measurement
- Conductivity measurement
- Determination of the water hardness
- Determination of the biochemical oxygen demand (BOD) in accordance with DIN EN 1899-1
- Determination of the chemical oxygen demand (COD) in accordance with DIN ISO 15705
- Determination of the total organic carbon (TOC) in accordance with DIN EN 1484
- Turbidity measurement in accordance with DIN EN ISO 7025
- Colour measurement (photometric) in accordance with DIN EN ISO 7887 (colour index, Hazen, iodine, Gardner, Yellowness)
- Quantitative determination of organic and inorganic constituents (e.g. nitrites, nitrates, sulphates, ammonia, iron, manganese, chloride, calcium, magnesium, fluoride, anionic tenside, etc.)