$1.00
FOR DETERMINATION OF
Hardness
RANGE/SENSITIVITY
0.03 – 1.25 °e, 0.004 – 0.180 mmol/L
NUMBER OF TESTS
20
TEST METHOD
Photometric Test Kits
MANUFACTURER
Macherey-Nagel
ORDER CODE
985084
Description
The NANOCOLOR® Residual Hardness Tube Test is for the photometric determination of hardness.
Calcium and magnesium ions react in alkaline solution with phthalein purple to form a violet dye.
Compatible with the following photometers: