Examples of 'colorless needles' in a sentence
Meaning of "colorless needles"
colorless needles: refers to acupuncture needles that are transparent or without color. It may also symbolize something that is dull or uninteresting
How to use "colorless needles" in a sentence
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colorless needles
It crystallizes as colorless needles from hot water.
Colorless needles were obtained by recrystallization from ether.
The product was obtained in form of colorless needles.
It will appear as colorless needles when synthesized using this method.
Crystallization produces a large mass of colorless needles.
Colorless needles were obtained by recrystallization from a mixed solvent of ethyl acetate and n-hexane.
This was recrystallized from methanol to give colorless needles.
Appearance, Colorless needles.
This was recrystallized from ethanol to give colorless needles.
It crystallizes in colorless needles which melt at 50 °C.
Recrystallization from isopropyl ether gave colorless needles.
An analytical sample is prepared by recrystallization from CH2Cl2/petroleum ether to give colorless needles.
Recrystallization from heptane gave fine, colorless needles.
And the product Ia-4 is recrystallized from ethyl ether-ethyl acetate to give colorless needles.
The first crop of crystals were long, thin colorless needles.
See also
The recrystallization of this crude product from ethyl acetate - hexane gives 3.17g of colorless needles.
This powder was recrystallized from methanol to provide colorless needles.
Product may be recrystallized from hexanes to produce colorless needles.
Crystallizes from an AcOEt / hexane mixture in the form of colorless needles.
This was recrystallized from ethyl acetate-hexane to obtain colorless needles.
This was recrystallized from acetone-isopropyl ether to give colorless needles.
The residue was crystallized from EtOAc / hexane to give fine colorless needles.
The above procedure gave 6.7 g of the title compound as colorless needles.
Thus 240 g of the title compound was obtained in the form of colorless needles.
Recrystallization of the mixture from pentane yields pure 2-64 as colorless needles.
Recrystallization of the crude product from ethyl acetate-hexane gave 1.25 g of Compound 1 as colorless needles.
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Examples of using Needles
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But your needles will be the death of me
Not as long as they use clean needles
Needles must have shorted our coms
Examples of using Colorless
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It is a colorless hygroscopic liquid with a strong odor
Do not you everwear colorless clothes again
It is a colorless liquid and is classified as a nitro compound
