Sol of Zr[O.sub.2]-8 wt.% [Y.sub.2][O.sub.3] was obtained using zirconium (IV) propoxide (70 wt.% in 1-propanol, Merck), acetylacetone
as complexing agent and distilled water in mole ratios of 1: 1: 10, respectively.
The analytical data (Table 1) show that the Schiff bases behave as dibasic, tridentate ligands, hence complete replacement of the bidentate acetylacetone
occurs under the reaction conditions and the ethanol occupies the sixth coordination position.
Synthetic medium: Citric acid, 0.5 g; [KH.sub.2][PO.sub.4], 0.1g; Mg[SO.sub.4], 0.2g; acetylacetone
, 0.05 ml; Fe[Cl.sub.3], 50 mg; Zn[SO.sub.4], 1.0 mg; Mn[SO.sub.4], 0.03 mg; Cu[SO.sub.4], 1.5 mg; Co[SO.sub.4], 0.3 mg; Ni[SO.sub.4], 0.1 mg; HEPES, 7 g; distilled water, 1,000 ml; pH; 5.4
3e), and succinic acids and acetylacetone
, or between the two oxygen atoms of carbonyl and hydroxyl groups like in maleic, diethylmalonic, 2-hydroxy-2-methylpropionic, 3-hydroxybutyric, and 3-amino-glutaric acids.
The tissue was neutralized with 6N NaOH and incubated with acetylacetone
at 100[degrees]C for 15 min.
Briefly, [delta]-ALA reacts with acetylacetone
and formaldehyde to form 2,6-diactyl-1, 5-dimethyl-7-(2-carboxyethyl)-3H-pyrrolizine (Figure 1), a derivative that can be quantified via fluorescence detection at excitation/ emission wavelengths of 370 nm and 460 nm, respectively.
Typically, hydrogen bond lengths vary from 2.00 A for the enol from of acetylacetone
to 1.77 A for the dimer of acetic acid.
Component A: recycling polyol 97.66 parts acetylacetone
2.20 parts Vinycene 400 0.14 parts
The use of acetylacetone
as extractant of translocated organic matter.
Peroximon curing agents for polyester resins include MEK peroxides (K1 and K10), methylisobutyl ketone peroxide (K2), acetylacetone
(K3), and cumene hydroperoxide (CH).
Formaldehyde reacts with acetylacetone
(pentane-2, 4-dione, Nash reagent) to form 1,4-dihydroluthidine, which can then be quantitatively determined by photometric titration.