Night blue

Night Blue is obtained from paratolyl-a-haphthylamine (P-C7H7NHC10H7) and tetramethyldiamidobenzophenone. These dyestuffs come into commerce as hydrochlorides. They are beautiful blue dyestuffs, easily soluble, and dye cotton prepared with tannic acid similarly to methylene blue, but unfortunately the shades produced are not very fast to light. In general their reactions resemble those of the rosaniline dyestuffs. Alkalies precipitate a reddish-brown base, and acids turn the blue colour to yellow. 

Victoria blue B base cannot be crystallised. In a pure state it forms a brick-red powder M.P. 95°. 

Victoria blue 4 E. base has also not been obtained in a crystallised state. It resembles the above in appearance, and melts at 77° [72]. 

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Nacht-blau, n. night blue, -blindhelt, /. night blindness, nyctalopia. 

On Thursday night, Blue Smoke was crowded three deep with young(ish) money-makers drinking. If you ve ever wondered who s moving into all those new luxury-rental buildings or driving the average price of a one-bedroom apartment past 500,000 in New York—and you re not one of them—you can drink with them at Blue Smoke. 

The rate of coagulation of night blue examined by Biltz and Steiner Zeit, Phys. Ohem, LXXili. 607, 1910) and of benzo-purpurin (Biltz and v, Vegesack, Zeit. Phys. Ghem. lxxiii. 500, 1910) likewise appear to conform reasonably closely to a reaction of the autocatalytic variety. 

Mutual precipitation of oppositely charged dye-stufifs is the basis of a number of volumetric processes of estimation thus the evaluation of tannin solutions may be accomplished with night blue or of eosine with night blue. 

Night blue, Victona blue, new VictOna blue, bnlhant Victoria blue, Victona pure blue, glacier blue, brilliant glacier blue, -setocyamne, setoglaucme, setopaline, turquoise blue,rhoduline blue 5B, 6G, chrome blue a c (b ... 

Dyes can also be prepared in the same way by the combination of other amines with Michler s ketone, of which it is only possible to mention here Victoria Blue and Night Blue. 

Such efforts have met with limited success, and the reason usually advanced is our lack of understanding of the frequency dependence of molecular NLO properties. In classical electromagnetism, we refer to properties that depend on the frequency of radiation as dispersive and we say that (for example) dispersion is responsible for a rainbow. The blue colour of the sky is a dispersion effect, as is the red sky at night and morning. There is more to it than that, and you might like to read a more advanced text (Hinchliffe and Munn, 1985). 

Relaxant. Elder helps to relax bronchial spasms as well as asthma. On an emotional level, elder soothes nerves, calms anxiety and helps to lift one s spirits when feeling blue. Use elder to calm a sick, irritable person in need of a good night s sleep. Elder is also helpful in cases of anxiety and shock. Parts used flowers, berries. 

Abstract. We present preliminary results of lithium abundances in turnoff stars in the open cluster NGC 2506. Some fifty turnoff stars and a few blue stragglers have been observed using the FLAMES facility on the VLT, during half a night from the French Guaranteed Time on this instrument. 

The colors of the cylinders represent the modern sources of energy oil (black), natural gas (yellow), wind and water (blue) and solar energy (white). Each cylinder consists of 22 movable circular plates around a central stainless steel column. At daylight, the cylinders begin to move up and down and produce energy by means of photovoltaic cells and a hydraulic system at night they rest. 

Tav The Great One of the Night of Time Blue-violet (indigo)... 

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