CW Pacific Specialties Pty Ltd
Librel Zn®
Solubility and Availability
Percentage (%) of Zn remaining as each original Zn source 4 min
after mixing with a 10-15-0 fertiliser solution (Picanso 1984)
100
Librel Zn (ZnEDTA)
90
ZnHEDTA
% of Zn remaining
80
Zn(NO3)2-UAN
70
Zn-PHENOLIC Acid
60
Zn-CITRATE
50
ZnSO4-NH3 Complex
40
ZnSO4
30
20
10
0
Zinc source
Zn Source
% remaining
Librel Zn (ZnEDTA)
100
ZnHEDTA
19
Zn(NO3)2-UAN
15
Zn-PHENOLIC Acid
11
Zn-CITRATE
8
ZnSO4 – NH3 Complex
8
ZnSO4
4
Note: while this data
is based on 1984
results the chemistry
has not changed
and the results are
still valid.
®registered
trademark of BASF
For example 96% of the Zn in ZnSO4 forms a white INSOLUBLE
precipitate ZnPO4 that is UNAVAILABLE to plants
For further information contact : CW Pacific Specialties Pty Ltd Andrew McHugh T: 0417 01 77 03 [email protected]