TDS Standards

For the calibration of TDS testers and TDS meters. These standards are 4:4:2 solutions (40 % sodium sulphate, 40 % sodium bicarbonate, 20 % sodium chloride) made from analytical grade materials.

TDS Standard 2,000 ppm

2,000 mg/L 4:4:2 solution

TDS Standard 2,000 ppm, 250 mL ... $15.90 + GST
TDS Standard 2,000 ppm, 500 mL ... $22.30 + GST
TDS Standard 2,000 ppm, 1000 mL ... $31.50 + GST

TDS Standard 8,000 ppm

8,000 mg/L 4:4:2 solution

TDS Standard 8,000 ppm, 250 mL ... $16.10 + GST
TDS Standard 8,000 ppm, 500 mL ... $22.70 + GST
TDS Standard 8,000 ppm, 1000 mL ... $32.20 + GST