Types of pigments: Blues (phthalo); Greens (phthalo); Reds (naphthol
, quinacridone, disazo condensation, DPP, lithol red, perylene, benzimidazolone, lake red); Yellow and oranges (hansa, diarylide, monoazo, diazo condensation, isoindoline, benzimidazaolone)
Despite its reactions with other compounds, the redox reaction of this oxidant with naphthol
green B is scanty.
The spectrophotometric titrations of triazole ligand 1 carrying naphthol
group with Cu2+ Co2+ Cd2+ Ni2+ and Pb2+ cations point outthe complexation properties of the ligand in aqueous solutions and methanol:water media (1:1) by using Buschmann and Valeur's methods respectively.
The solid (514 mg) was recrystallised from ethyl acetate to give Naphthol
glucoside as light brown plates (480 mg), molecular formula found ([C.sub.16][H.sub.18][O.sub.7]), mp 216-218 [degrees]C (lit.4, 217 [degrees]C) m/z 222 [M.sup.+], [v.sub.max] (KBr) [cm.sup.-1]; 3605, 3005, 2890, 1600, and 1450.
As with the benzimidazolones, there are two main classes of these pigments, an arylide yellow type and a Naphthol
Thereafter these were again incubated for 2 h at room temperature with ALP substrate solution (freshly prepared 100 mM Tris-maleate buffer, pH 9.2, containing 0.2 mg/ml naphthol
AS-MX phosphate and 0.4 mg/ml Fast Red TR).
The report concluded that all the samples such as excavated waste- lime sludge, naphthol
tar, reactor residue, semi- processed pesticide and sevin tar were found to be having very low mammalian toxicity," said Bhopal gas tragedy relief and rehabilitation minister Babulal Gaur.
M9750-12; dilution 1:25), and an immunoalkaline phosphatase with naphthol
fast red chromogenic substrate.
was formed as a result of an enzymatic reduction of naphthyl phosphate in the presence of an alkaline phosphatase label, using a diethanolamine instead of a bicarbonate buffer.
Classical grades are workhorse yellow, orange, and red pigments, such as azo salts and diarylide and naphthol
The technologies evaluated at Florida Wood Recycling include the use of PAN (pyridylazo and naphthol
) stain that, when applied to wood, causes a distinct color change if the wood is treated with copper.
blue black (dye content [greater than or equal to] 85%)