How To Use Ferricyanide In A Sentence
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‘When glucose encounters the enzyme, hydrogen peroxide is produced, which quickly reacts with the ferricyanide to modulate the electronic structure and optical characteristics of the nanotube,’ Strano said.
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A very dense negative, for instance, may be reduced either with the ferricyanide of potash or persulphate of ammonia reducer; and a thin negative with proper graduations can frequently be intensified to advantage in the print.
Bromide Printing and Enlarging A Practical Guide to the Making of Bromide Prints by Contact and Bromide Enlarging by Daylight and Artificial Light, With the Toning of Bromide Prints and Enlargements
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While similar actions today are considered unethical, it was common practice in newspaper and magazine darkrooms to have potassium ferricyanide next to spotting pigment bottles.
Archive 2009-06-01
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This can be caused by an unresolved contribution to the spectrum from a small proportion of cells that has higher permeability to ferricyanide ions and, consequently, increased peak-to-peak width.
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The intactness of chloroplasts was estimated from the difference in the quantum yield of photosynthetic complex II in the presence and absence of ferricyanide, measured using a PAM2000 Chlorophyll Fluorometer (Walz, Germany).
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Potassium 287 acid carbonate 294 acid sulphate 294 acid sulphite 294 alum, aluminium 334 alum, chrome 384 alum, iron 352 and plant life 287 aurate 396 bromide 290 carbonate 293 chlorate 291 chloride 290 chromate 385 cyanide 293 dichromate 386 ferricyanide 352 ferrocyanide 352 hydroxide 288 hydroxide, action of halogens 289 hypochlorite 289 iodide 290 manganate 381 nitrate 291 occurrence 287 permanganate 381 preparation 288 sulphate 294
An Elementary Study of Chemistry
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Crystals of potassium ferricyanide are magnified 40 times in this image made by Stefan Eberhard of the University of Georgia, Complex Carbohydrate Research Center in Athens, Georgia.
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As good a formula as any is: Potass ferricyanide, 300 grains; potass bromide, 100 grains, water 20 ounces; Ammonium bromide may be used in place of the potassium salt in the above formula; the difference is not marked, but the ammonium compound tends to give a somewhat warmer brown or sepia.
Bromide Printing and Enlarging A Practical Guide to the Making of Bromide Prints by Contact and Bromide Enlarging by Daylight and Artificial Light, With the Toning of Bromide Prints and Enlargements
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Soluble ferrocyanides, ferricyanides, and sulphocyanides of various metals, by forming dibasic salts with potassium, sodium, or ammonium, in conjunction with vegetable, animal, or metallic coloring matters.
Forty Centuries of Ink
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The ferricyanide test confirmed that the brown colouration of the water extracts was closely associated with tannins.
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If, however, only a portion of the print needs reduction, this can be effected by applying the ferricyanide solution locally with a brush or bit of absorbent cotton.
Bromide Printing and Enlarging A Practical Guide to the Making of Bromide Prints by Contact and Bromide Enlarging by Daylight and Artificial Light, With the Toning of Bromide Prints and Enlargements
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For some samples a mixture of ferricyanide and ferrocyanide were added to the pellet.
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Red cells are lysed and potassium ferricyanide oxidizes hemoglobin to methemoglobin, which combines with potassium cyanide forming cyanmethemoglobin.
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Potassium 287 acid carbonate 294 acid sulphate 294 acid sulphite 294 alum, aluminium 334 alum, chrome 384 alum, iron 352 and plant life 287 aurate 396 bromide 290 carbonate 293 chlorate 291 chloride 290 chromate 385 cyanide 293 dichromate 386 ferricyanide 352 ferrocyanide 352 hydroxide 288 hydroxide, action of halogens 289 hypochlorite 289 iodide 290 manganate 381 nitrate 291 occurrence 287 permanganate 381 preparation 288 sulphate 294
An Elementary Study of Chemistry
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Expose until the image is visible, then develop by floating on a solution of potassium ferricyanide at 5 per 100 of water — the image appears at once with a rich brown color.
Photographic Reproduction Processes
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Red cells are lysed and potassium ferricyanide oxidizes hemoglobin to methemoglobin, which combines with potassium cyanide forming cyanmethemoglobin.
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The latter spectrum was measured after reduction of cyt-c with ascorbic acid, followed by oxidation using ferricyanide.
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Irradiation of melanin for 20 min increased the velocity of the NADH/ferricyanide coupled reaction 3-fold in comparison to that measured for non-irradiated melanin, while 40 min irradiation had an even larger effect, causing a 4-fold increase in velocity (Table 1).
Chernobyl Fungus Feeds On Radiation
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The excitement of exposing and watching a print develop and then working on the print with ferricyanide after the fix kept my eyes occupied.
On Assignment: Open Shade Opera Singer
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He was also known to print images down to black and use potassium ferricyanide or bleach to reveal only the areas he wished to show.
Image manipulation is a global problem
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A very dense negative, for instance, may be reduced either with the ferricyanide of potash or persulphate of ammonia reducer; and a thin negative with proper graduations can frequently be intensified to advantage in the print.
Bromide Printing and Enlarging A Practical Guide to the Making of Bromide Prints by Contact and Bromide Enlarging by Daylight and Artificial Light, With the Toning of Bromide Prints and Enlargements
