ammonium carbonate

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a carbonate of ammonium

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Among the organic nitrogen sources peptone, yeast extract, beef extract, casein, ammonium carbonate and urea had significant effect on protease production 560U/mL, 535U/mL, 590U/mL, 650U/mL, 468U/mL, 421U/mL, respectively.
Manganese oxide precursor was precipitated in the form of manganese carbonate, applying an aqueous solution of ammonium carbonate as the precipitant with manganese chloride solution.
The mobile phase was prepared by dissolving 1.0 gm ammonium carbonate in 1000 ml water.
Using a comparative approach under semi-field conditions, we (1) assessed the effect of adding ammonium acetate and ammonium carbonate to beer waste and to the commercial baits Nu-Lure[R] Insect Bait, Buminal[R], and Bugs for Bugs[R] Fruit Fly Bait, on the response of males and females of B.
In addition to these reactions and depending on the reaction conditions, various other compounds may precipitate, such as ammonium bicarbonate (N[H.sub.4]HC[O.sub.3]), ammonium carbonate [[(N[H.sub.4]).sub.2]C[O.sub.3]], ammonium carbamate (N[H.sub.4]N[H.sub.2]C[O.sub.2]), and ammonium sesquicarbonate [[(N[H.sub.4]).sub.2]C[O.sub.3.sup.-]N[H.sub.4]HC[O.sub.3]].
(d) DDAC = didecyl dimethyl ammonium carbonate. Table 2.--American Wood Protection Association rating system.
The second method is known as double decomposition and involves the combination of salt of calcium ions with salt of carbonate ions, such as the reaction of calcium chloride or calcium nitrate with sodium carbonate or ammonium carbonate [12].
China had been preferring ammonium carbonate as a nitrogen fertilizer for almost 30 years.
Ammonium carbonate (30% ammonia), ammonium bicarbonate (99%), ammonium carbamate (99%), DBU (98%), 1-hexadecylamine (90%), ditert-butyi dicarbonate (99%), and calcium sulfate dihydrate (gypsum, 98%) were used as received from Sigma Aldrich (Oakville, ON).
Quick breads, cakes, and cookies use chemical leaveners such as baking powder, baking soda, and ammonium carbonate to help them rise.
The wells were covered with aluminum foil with punctures and placed inside a closed desiccator for 2 days for crystal growth by the slow diffusion of gases released by the decomposition of ammonium carbonate placed inside the desiccator (Rajamani et al.
The process of chemical concentrate repurification by salting out ammonium uranyl tricarbonate (AUTC) crystals with ammonium carbonate was introduced in 1952.
Grafted bagasse is an environmentally safe oil absorbing material composed of compressed sugar crane reacted with the following compounds:10% stearic acid, 4% zinc oxide, 2% t-butylamine, 2% sodium hydroxide, and 1% ammonium carbonate. The previous work of Mohamed Abdulla proved that grafted bagasse absorbs oil from pure water.
Baseline separation was achieved for all six species as well as for the internal standard (potassium hexahydroxy antimonate V) in a single chromatographic run of less than 30 min, using an ammonium carbonate buffer gradient (between 10 and 50 mM) at ambient temperature, in conjunction with cation- and anion-exchange columns in series.