Tetrasodium glutamate diacetate 47% (GLDA-4Na) :
Content: ≥ 47%
PH value (10g/L, 25 ℃): 11.0-12.04.
NTA content: ≤ 0.1%
Appearance: Light yellow transparent liquid
Stability: No decomposition at high temperatures (such as 6 hours at 170 ℃ or one week at 150 ℃), chemically stable at 38.
Chelating ability: Strong chelating effect on hard water metal ions such as calcium and magnesium, with better cleaning performance than phosphate and citrate salts