PDTA
A specific chelator especially developed for the photo-finising process. When it complexes with iron, it is very effective in the bleaching of photographic films and paper.
| 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 |

1,3-Propylenediaminetetraacetic acid
;
PDTA-H4
|
PDZ |
PDTA-H4 |
Crystals |
306.3 |
400 |
2 |
7.8 |
5.6 |
12.9 |
|