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carbon disulfide and benzene, insoluble in cold methanol, almost insoluble in petroleum ether. Its alcohol solution is blue-green and shows dark red fluorescence. Melting point 117-120 ℃(150-153 ℃, decomposition). Optical rotation -262 ℃ (chloroform). Maximum absorption value (ether) 660,613...
The melting point of chlorophyll a is 150～153°C, and the melting point of chlorophyll b is 183～185°C. It coexists with the yellow carotene and lutein in the chloroplasts of plant leaves. Sensitive to light and heat, it can be saponified and hydrolyzed into bright green chlorophyllin ...
Melting point:mp 117-120° Optical Rotation:[a]D20-262° (acetone) Absorption maximum:Absorption max (ether): 660, 613, 577, 531, 498, 429, 409 nm Derivative Type:Chlorophyll b CAS Registry Number:519-62-0 Molecular Formula:C55H70MgN4O6 ...
Waxy solid. Olive to dark green, depending on the amount of magnesium incorporated. Slightly smelly. The melting point of chlorophyll a is 150～153°C, and the melting point of chlorophyll b is 183～185°C. It coexists with the yellow carotene and lutein in the chloroplasts of plant leaves...
and the melting point of chlorophyll B was 183~185 ℃. It co-exists in the chloroplasts of plant leaves with the yellow chlorophyll B and lutein. Sensitive to light and heat, in dilute alkali solution can be saponified and hydrolyzed into green chlorophyllin (salt), chlorohydrins and methanol...
From liquor aspect, the value of ∆L, the yellow-blue difference (∆b), b/a, hue chroma (Cab) and Hab of GT was significantly higher than FT except that the ∆a value of GT was lower than FT, indicating that both liquor lightness and liquor greenness of GT was better than FT...
Fig. 8. (a) The number of virtual trajectories crossing each grid point, for virtual particles released from the New Zealand coastline. (b) Mean annual chlorophyll concentrations around New Zealand for 1999–2009 (mg m−3). (C) The number of virtual trajectories crossing each grid point, ...
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The melting point of chlorophyll a is 150～153°C, and the melting point of chlorophyll b is 183～185°C. It coexists with the yellow carotene and lutein in the chloroplasts of plant leaves. Sensitive to light and heat, it can be saponified and hydrolyzed into bright green chlorophyllin ...