Calibration kit, Stablcal turbidity standards, 2100AN / AN IS turbidimeter, 500 mL bottles,

Calibration kit for Stablcal Standards, for 2100AN and 2100AN IS laboratory turbidimeters. USEPA approved for calibration purposes. Stablcal Turbidity Standards with stabilised formazine are true formazine dilutions designed for use in all turbidimeters. The kit contains 500 mL bottles of < 0.1, 20, 200, 1,000 and 4,000 NTU standard and a sealed ampoule of 7,500 NTU standard.

• Precise premixed formazine solutions
• Based on formazine primary standards
• Increased stability saves time and effort
• Reliability of results