Exact(4)
We also note that the NBT/BCIP precipitate does not bleach or fade with visible light exposure and, if the tissue is stored in ethanol, the precipitate can be preserved for years with no apparent loss or diffusion.
The absence of precipitate does not necessarily mean the absence of reaction between drugs.
If a precipitate does not come out after this time, hexane (3 5 mL) is added to the mixture to precipitate the product.
If white precipitate does not form, add an addition 50μL Spin at highest speed for 5 minutes.
Similar(56)
This precipitate did not inhibit or slow the dissolution of the anorthite.
Note that at pH 4, the sulfide concentration was insufficient to generate saturation with respect to FeS, at the ferrous iron concentration in the growth medium (~4 mg L-1) based on the observation that a black precipitate did not form.
If the precipitate did not form after cooling, a triplet excess of saturated aqueous/methanol solution of potassium iodide was added to the hot reaction mixture.
However, SDS quickly precipitated after transfer of the solution (in the dialysis bag) into the cold dialysis buffer and the precipitate did not leave the dialysis bag during dialysis.
Study inclusion criteria included a) well-impregnated neurons with no evidence of incomplete or artificial staining; b) blood vessels, glia, or nondescript precipitate did not obscure neuron or branches; and c) the cell body was located in the middle third of the thickness of the section.
The mean diameter of precipitates does not differ significantly.
The computational analysis determined that the size of the SiO2 and ZrSix precipitates does not appreciably influence the durability of the microstructure.
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