EDTA
Standard chelating agent.
| STRUCTURE AND CHEMICAL NAME |
METACLAW |
CHEMICAL
FORM |
PHYSICAL
FORM |
MOLECULAR
MASS |
DENSITY
(approx.) |
TYPICAL
pH VALUE |
CHELATION EQUIVALENTS
(WEIGHT PARTS CHELATE TO ONE WEIGHT PART METAL) |
| Ca |
Fe |
Mg |
Ethylenediaminetetraacetic acid;
EDTA
|
A |
EDTA-H4 |
Cystalline
Powder |
292.2 |
600 |
2.5 |
7.4 |
5.3 |
12.1 |
| CL |
EDTA-Na4 |
Liquid (39%) |
380.2 |
1260 |
11.3 |
24.3 |
17.5 |
40.1 |
| TS |
EDTA-Na4
Dihydrate |
Cystalline
Powder |
380.2 |
600 |
11.5 |
11.0 |
7.9 |
18.2 |
| TSH |
EDTA-Na4
Tetrahydrate |
Cystalline
Powder |
452.2 |
700 |
11 |
11.5 |
8.3 |
19.0 |
| NA3 |
EDTA-Na3H |
Cystalline
Powder |
412.3 |
700 |
8.5 |
10.4 |
7.5 |
17.2 |
| DS |
EDTA-Na2H2 |
Cystalline
Powder |
372.2 |
700 |
4.5 |
9.4 |
6.7 |
15.5 |
| NH2 |
EDTA-(NH4)2H2 |
Liquid (40%) |
326.3 |
1170 |
5 |
20.4 |
14.6 |
33.6 |
| NH3 |
EDTA-(NH4)3H |
Liquid (40%) |
343.3 |
1150 |
7 |
21.4 |
15.4 |
35.3 |
| NH4 |
EDTA-(NH4)4 |
Liquid (50%) |
360.4 |
1180 |
9 |
18.0 |
12.9 |
29.7 |
| K3 |
EDTA-K3H |
Liquid (50%) |
406.5 |
1320 |
8 |
20.3 |
14.6 |
33.4 |
| K4 |
EDTA-K4 |
Liquid (45%) |
444.6 |
1270 |
11.5 |
24.8 |
17.8 |
40.8 |
|
