Hanna Instruments-7040L is a high quality, bi-component zero oxygen solution made from reagent grade chemicals. Hanna dissolved oxygen solutions have the lot number and expiry date clearly marked on the label and are air tight with a tamper-proof seal to ensure the quality of the solution. Prepared with reagent grade chemicals Hassle-free, easy to mix chemical component bottles Air-tight seal to ensure the quality of the solution Hanna Instruments-7040L Zero Oxygen solution, 500ml bottle Hanna Instruments-7040L is a bicomponent zero oxygen solution designed for calibrating both polarographic and galvanic dissolved oxygen sensors. By simply immersing the dissolved oxygen probe in the solution users can quickly calibrate to 0% oxygen concentration, allowing for accurate follow-up measurements of dissolved oxygen in the sample. Hanna dissolved oxygen solutions are produced using reagent grade chemicals in a temperature controlled environment. The Hanna Instruments-7040L bottle is labelled with: Product code Lot number Expiry date Air tight bottle with tamper-proof seal Ensures quality and freshness of solution
