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This species was isolated as a compositionally pure sample in moderate yields (35 %) and crystallized as bright orange crystals from hot benzene.
The reaction mixture was then left overnight at room temperature, whereby the solid product that separated upon dilution with water was filtered off and crystallized from ethanol as orange crystals, yield 22%, 0.77 g, m.p. 224 225 °C.
While fraction 9 (n-hexane-EtOAc, 1 4) was left to crystallize at room temperature to obtain orange crystals of 3 (3.5 mg, TLC, EtOAc- CHCl3- MeOH, 97 1 2, Rf 0.24), fraction 10 eluted with n-hexane-EtOAc (1 4 and 1 9) was further purified through preparative TLC to afford 2 (6 mg, TLC, MeOH + 1% NH4OH- C6H6- CH2Cl2, 1 2 2, Rf 0.64).
The resulting solid was filtered off, washed with water, dried and purified by crystallization from ethanol to give 9 as orange crystals, in yield 89%, m.p 68 70 °C.
Scheelite was found in beautiful orange crystals that fluoresced bright blue in ultraviolet light.
It didn't disappoint, the rich ice cream with sparkly orange crystals in round cups so cold they made your fingers ache.
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The orange crystal will give you followers and likes, the purple crystal will make you "look Instagram filtered IRL," and the blue crystal naturally "simulates a sense of shavasana after a harrowing Reddit session".
A dramatic demonstration of the formation of this oxidation state of the enzyme is shown in the inset of Figure 6A, which shows a picture of an orange crystal of enzyme 8.
The resulting extract was successively washed using hexane which resulted 5 g of an orange crystal of pure embelin having a melting point of 142 143 °C whose identity was fully elucidated by HPLC, H, C, DEPT-135, HMQC, HMBC and UV spectra.
The SGE1 gene encodes a plasma membrane transporter presumably involved in the expulsion of dye molecules possessing a large unsaturated domain that stabilizes a permanent positive charge, such as 10-N-nonyl acridine orange, crystal violet, ethidium bromide and malachite green [ 34- 36].
Complex 18 was isolated as red-orange crystals (124 mg, 26%); m. pt.
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