Fe as a Chelate from HBED. Due to the high stability and affinity to trivalent Fe-Ions, HBED is a very effective chelating agent. Fe can be hold in solution even in calcium-rich media and is available for the plants up to pH values of 12. Fe-HBED has a higher stability constant compared to Fe-EDDHA (López-Rayo et al. 2009).
| Item information |
Value |
| Release class: |
Release class 0 |
| GHS-Pictograms: |
00 |
| Specifications: |
Appearance: dark red to dark brown microgranules
pH value (1 % in H2O): 7 - 9
Iron content (typical): 6 %
Iron content (minimum): 5,7 %
Iron chelated as FeHBED (ortho-ortho isomer*, typical): 6 %
*Test method: EN 13368-2
|
| Arsenic (mg/kg): |
max. 10 |
| Lead (mg/kg): |
max. 50 |
| Cadmium (mg/kg): |
max. 10 |
| Synonyms: |
HBED-FeK; Bis(2-hydroxybenzyl)ethylenediamine diacetic acid, ferric potassium complex |
| Solubility in water: |
75 g/l (20 °C) |
| Chromium (mg/kg): |
max. 50 |
| Cobalt (mg/kg): |
max. 25 |
| References: |
López-Rayo,S, D Hernández & JJ Lucena. 2009. Chemical evaluation of HBED/Fe3+ and the novel HJB/Fe3+ chelates as fertilizers to alleviate iron chlorosis. Journal of agricultural and food chemistry 57(18):8504-8513. |
| Storage Temperature: |
15 - 25 °C |
| Nickel (mg/kg): |
max. 75 |
| Mercury (mg/kg): |
max. 1 |
| Selenium (mg/kg): |
max. 5 |
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