abstract |
The present invention has the formula Na x K y H z GLDA (where x is 2 or more and less than 4, y is greater than 0 and 2 or less, x + y is 3.5 to 4, x + y + z = 4 The alkali metal salt of glutamic acid-N, N-diacetic acid (GLDA), a process for preparing such a salt, and its use. |