Total Chlorine Ultra High Range CAL Check standard kit for HI97 series photometers – HI97771-11$374.00Add to Cart
GroLine 1413µS/cm Conductivity Standard with Certificate (120 mL bottle) – HI7031-012$16.50Add to Cart
GroLine 5, 000µS/cm Conductivity Standard with Certificate (120 mL bottle) – HI7039-012$16.50Add to Cart
10 ppm and 100 ppm Nitrate (as N) Calibration Standard Sachets for HI9829 (10 x 25 mL each) – HI9829-14/15$180.40Add to Cart
10 ppm and 100 ppm Chloride Calibration Standard Sachets for HI9829 (10 x 25 mL each) – HI9829-12/13$180.40Add to Cart
10 ppm and 100 ppm Ammonium Calibration Standard Sachets for HI9829 (10 x 20 mL each) – HI9829-10/11$180.40Add to Cart