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searching for Ammonia solution 80 found (96 total)

Caesium peroxide (344 words) [view diff] exact match in snippet view article find links to article

be formed from caesium metal by adding a stoichiometric amount in ammonia solution, or oxidizing the solid metal directly. 2 Cs + O2 → Cs2O2 It can also

Cranchiidae (648 words) [view diff] exact match in snippet view article find links to article

to telescopic and stalked. A large, fluid-filled chamber containing ammonia solution is used to aid buoyancy. This buoyancy system is unique to the family

BMA process (250 words) [view diff] exact match in snippet view article find links to article

The gaseous mixture is introduced in a scrubber and treated with an ammonia solution (producing ammonium cyanide) allowing the other gaseous components:

Rubidium ozonide (314 words) [view diff] exact match in snippet view article find links to article

by reacting rubidium superoxide (RbO2) with ozone (O3) in a liquid ammonia solution. RbO 2 + O 3 ⟶ RbO 3 + O 2 {\displaystyle {\ce {RbO2 + O3 -> RbO3 +

Sodium ozonide (291 words) [view diff] exact match in snippet view article find links to article

synthesized applying ozone directly to the metal. Instead, it is made in ammonia solution using ion exchange and cryptands. The compound is unstable at room

Hygrophorus latitabundus (725 words) [view diff] exact match in snippet view article find links to article

identification aid is the chemical reaction of the stem flesh when exposed to ammonia solution. In this species, it turns orange-rust and then brown in the base and

Amination (323 words) [view diff] exact match in snippet view article find links to article

hydroxy acids can be converted into amino acids directly using aqueous ammonia solution, hydrogen gas and a heterogeneous metallic ruthenium catalyst. In hydroamination

Nitroxylic acid (314 words) [view diff] case mismatch in snippet view article find links to article

Taijiro, OKABE (10 February 1953). "On the Electrolysis of Liquid Ammonia Solution of Alkali Nitrates". The Chemical Research Institute of Non-Aqueous

Chevreul's salt (1,163 words) [view diff] exact match in snippet view article find links to article

chloride. If too much acid is added, the precipitate dissolves. If an ammonia solution is added to the product, it is dissolved and a deep blue color appears

Thulium(III) oxide (395 words) [view diff] exact match in snippet view article

a hydrothermal method where thulium(III) acetate is mixed with an ammonia solution, which causes thulium(III) oxide to precipitate as a white solid. Thulium(III)

Smelling salts (930 words) [view diff] exact match in snippet view article find links to article

purports to use sal armonyak. In the 17th century, the distillation of an ammonia solution from shavings of harts' (deer) horns and hooves led to the alternative

Arsenic pentasulfide (251 words) [view diff] exact match in snippet view article find links to article

a mixture of arsenic and sulfur, extracting the fused mass with an ammonia solution and reprecipitating arsenic pentasulfide at low temperature by addition

Solvated electron (2,067 words) [view diff] exact match in snippet view article find links to article

is reversible: evaporation of the ammonia solution produces a film of metallic sodium. A lithium–ammonia solution at −60 °C is saturated at about 15 mol%

Flazasulfuron (364 words) [view diff] exact match in snippet view article find links to article

sulfonylchloride which is filtered off and added directly to chilled concentrated ammonia solution to produce 3-trifluoromethylpyridin-2-yl sulfonamide (4). Treatment

Potassium amide (259 words) [view diff] exact match in snippet view article find links to article

it has significant covalent character and is highly aggregated in ammonia solution.[citation needed] The compound has been characterized by X-ray crystallography

Arsenic trifluoride (376 words) [view diff] exact match in snippet view article find links to article

water decomposes Solubility soluble in alcohol, ether, benzene and ammonia solution Hazards Occupational safety and health (OHS/OSH): Main hazards Toxic

Ammonium nitrite (283 words) [view diff] exact match in snippet view article find links to article

nitrite can react to it. A safe pH can be maintained by adding an ammonia solution. The mole ratio of ammonium nitrite to ammonia must be above 10%. Thomas

Rubber tapping (571 words) [view diff] exact match in snippet view article find links to article

chemicals can be added to the latex cup to preserve the latex longer. Ammonia solution helps prevent natural coagulation and allows the latex to remain in

Ammonia (data page) (302 words) [view diff] case mismatch in snippet view article

from a reliable source and follow its directions. SIRI Science Stuff (Ammonia Solution) Linstrom, Peter J.; Mallard, William G. (eds.); NIST Chemistry WebBook

Silver oxide (672 words) [view diff] exact match in snippet view article find links to article

Ag(OH)−2 and possibly related hydrolysis products. It is soluble in ammonia solution, producing active compound of Tollens' reagent. A slurry of Ag2O is

Dye tracing (508 words) [view diff] exact match in snippet view article find links to article

Fluorescein in ammonia solution (2)

Ammonium phosphate (222 words) [view diff] exact match in snippet view article find links to article

prepared in the laboratory by treating 85% phosphoric acid with 30% ammonia solution:[citation needed] H3PO4 + 3 NH3 → (NH4)3PO4 (NH4)3PO4 is a colorless

Ammonium paratungstate (509 words) [view diff] exact match in snippet view article find links to article

eventually crystallizes. If a calcined WO3 is used, refluxing the ammonia solution is advisable to accelerate its dissolution. Heating ammonium paratungstate

Silver acetylide (483 words) [view diff] exact match in snippet view article find links to article

neutral silver nitrate solutions. Performing the synthesis in basic ammonia solution does not allow the double salt to form, producing pure silver acetylide

Copper(II) cyanurate (293 words) [view diff] exact match in snippet view article

dissolved and then recrystallised from a hot strong ammonia solution. If instead a weak (2%) cold ammonia solution is used, the dark purple compound CuC3N3O3H•2NH3

Silver nitride (600 words) [view diff] exact match in snippet view article find links to article

the concentration of ammonia in the solution. Silver oxide in 1.52 M ammonia solution readily converts to the nitride, while silver oxide in 0.76 M solution

Potassium telluride (299 words) [view diff] exact match in snippet view article find links to article

"Synthesis and characterization of potassium polytellurides in liquid ammonia solution". Inorganica Chimica Acta. 176 (2): 271–275. doi:10.1016/S0020-1693(00)84855-0

List of UN numbers 2601 to 2700 (77 words) [view diff] exact match in snippet view article find links to article

Cyanuric chloride UN 2671 6.1 Aminopyridines (o-; m-; p-) UN 2672 8 Ammonia solution, relative density between 0.880 and 0.957 at 15 °C in water, with more

Copper(I) oxide (1,049 words) [view diff] exact match in snippet view article

hydrate to cuprous hydroxide. Copper(I) oxide dissolves in concentrated ammonia solution to form the colourless complex [Cu(NH3)2]+, which is easily oxidized

Lead(II) azide (880 words) [view diff] exact match in snippet view article

g/100 mL (70 °C) Solubility Very soluble in acetic acid Insoluble in ammonia solution, NH4OH Thermochemistry Std enthalpy of formation (ΔfH⦵298) 462.3 kJ/mol

List of UN numbers 2801 to 2900 (125 words) [view diff] exact match in snippet view article find links to article

Refrigerating machines, containing nonflammable, nontoxic, liquefied gas or ammonia solution (UN2672) UN 2858 4.1 Zirconium, dry, coiled wire, finished metal sheets

Ammonium carbonate (906 words) [view diff] exact match in snippet view article find links to article

carbonate monohydrate is known ([NH4]2CO3·H2O). It crystallizes in an ammonia solution exposed in a carbon dioxide-rich atmosphere. Ammonium carbonate slowly

Tin(II) sulfide (1,100 words) [view diff] exact match in snippet view article

proper stoichiometry is difficult. At near-room temperature in liquid ammonia solution, the same reaction still gives a mixture of 60% stannous and 35% stannic

Carpet cleaning (2,133 words) [view diff] exact match in snippet view article find links to article

water extraction begins with preconditioning. Alkaline agents such as ammonia solution for synthetic carpets, or mild acidic solutions such as dilute acetic

Copper(II) hydroxide (1,393 words) [view diff] exact match in snippet view article

production of benzoic acid and octanoic acid: Copper(II) hydroxide in ammonia solution, known as Schweizer's reagent, dissolves cellulose. This property led

Potassium nitrite (1,204 words) [view diff] exact match in snippet view article find links to article

Potassium nitrite reacts at an extremely slow rate with a liquid ammonia solution of potassium amide at room temperatures, and in the presence of ferric

Phylloporus arenicola (588 words) [view diff] exact match in snippet view article find links to article

connections in the hyphae. When the cap cuticle is tested with an ammonia solution, it turns a violet, brownish gray color. Fruit bodies grow singly,

Citrazinic acid (232 words) [view diff] exact match in snippet view article find links to article

which forms a 1,3-diester. That solution, when added to a heated ammonia solution results in citrazinic acid. Stagi L, Mura S, Malfatti L, Carbonaro

Suillus bellinii (313 words) [view diff] exact match in snippet view article find links to article

often infested with insect larvae. In a colour reaction test with ammonia solution, the flesh turns crimson. The spores are ochre-brown in colour, fusiform

Gas mantle (1,659 words) [view diff] exact match in snippet view article find links to article

acidic metal corrosion was later addressed by soaking the mantle in an ammonia solution to neutralize the excess acid. Later mantles were made from guncotton

List of UN numbers 2001 to 2100 (87 words) [view diff] exact match in snippet view article find links to article

nitrate fertilizers, n.o.s. (UN No. no longer in use) UN 2073 2.2 Ammonia solution, relative density less than 0.880 at 15 °C in water, with more than

Aldehyde (3,075 words) [view diff] exact match in snippet view article find links to article

precipitate of silver(I) oxide, and then adding just enough dilute ammonia solution to redissolve the precipitate in aqueous ammonia to produce [Ag(NH3)2]+

Johann Urban (747 words) [view diff] exact match in snippet view article find links to article

a patent for manufacture of rayon made from cellulose in a copper-ammonia solution. The workforce had grown to 700 people within one year. Fremery and

Cobalt extraction (1,079 words) [view diff] exact match in snippet view article find links to article

can be recovered hydrometallurgically, or they may be treated by an ammonia solution pressure leach. The residue is removed. A feed of matte and sulfide

Sodium amide (1,670 words) [view diff] exact match in snippet view article find links to article

in organic chemistry, often suspended (it is insoluble) in liquid ammonia solution. One of the main advantages to the use of sodium amide is its relatively

List of UN numbers 3301 to 3400 (116 words) [view diff] exact match in snippet view article find links to article

6-dinitrophenol, wetted, with not less than 20% water by mass UN 3318 2.3 Ammonia solution, relative density less than 0.880 at 15 °C in water, with more than

Max Fremery (1,019 words) [view diff] exact match in snippet view article find links to article

a patent for manufacture of rayon made from cellulose in a copper-ammonia solution. The workforce had grown to 700 people within one year. In 1899 enterprises

Absorption refrigerator (2,009 words) [view diff] exact match in snippet view article find links to article

ammonia gas. 6. Heat insulation and distillation of ammonia gas from water. 7. Electric heat source. 8. Absorber vessel (water and ammonia solution).

11-Aminoundecanoic acid (912 words) [view diff] exact match in snippet view article find links to article

11-Bromodecanoic acid is mixed at 30 °C with a large excess of 40% aqueous ammonia solution. When the reaction is complete, water is added and the mixture is heated

Château Haut-Bailly (845 words) [view diff] exact match in snippet view article find links to article

the disease, and instead of grafting, relied on spraying with copper ammonia solution. After Bellot des Minières' death in 1906, the estate came to his widow

Ammonia poisoning (614 words) [view diff] exact match in snippet view article find links to article

key ammonia source for the cycle and fishless cycling whereby liquid ammonia solution or decaying fish food is used to fuel the cycle. This process can take

Maffei 1 (1,788 words) [view diff] exact match in snippet view article find links to article

emulsions I-N. To achieve the hyper-sensitization he immersed them in 5% ammonia solution for 3–5 minutes. This procedure increased their sensitivity by an order

Hypothetical types of biochemistry (8,198 words) [view diff] exact match in snippet view article find links to article

about life's origin. Numerous chemical reactions are possible in an ammonia solution, and liquid ammonia has chemical similarities with water. Ammonia can

Shellac (4,473 words) [view diff] exact match in snippet view article find links to article

gossamer (or goss for short), a cheesecloth fabric coated in shellac and ammonia solution used in the shell of traditional silk top and riding hats. for mounting

Gateway Generating Station (2,503 words) [view diff] exact match in snippet view article find links to article

River. The system is charged with up to 18,000 gallons of aqueous ammonia solution, or 35,000 pounds (16,000 kg) of ammonia; the ammonia storage tanks

Qualitative inorganic analysis (2,719 words) [view diff] exact match in snippet view article find links to article

partially soluble, or not soluble at all, respectively, in aqueous ammonia solution. Chlorides are confirmed by the chromyl chloride test. When the salt

Wilford Power Station (1,360 words) [view diff] exact match in snippet view article find links to article

solution to form ammonium sulphite, bisulphite and thiosulphate. The ammonia solution was treated with sulphuric acid then further processed to yield 11

Xerocomellus zelleri (2,013 words) [view diff] exact match in snippet view article find links to article

hyphae. The fruit body tissue stains a greenish color when a drop of ammonia solution is applied. Xerocomellus zelleri is an edible species, although care

Silver compounds (2,206 words) [view diff] exact match in snippet view article find links to article

acetylide, Ag2C2, formed when silver reacts with acetylene gas in ammonia solution. In its most characteristic reaction, silver azide decomposes explosively

Ariel (moon) (4,871 words) [view diff] exact match in snippet view article

the erupted liquid was very viscous, possibly a supercooled water/ammonia solution, with solid ice volcanism also a possibility. The thickness of these

Sodium (8,043 words) [view diff] exact match in snippet view article find links to article

with alcohols and gives alkoxides, and when sodium is dissolved in ammonia solution, it can be used to reduce alkynes to trans-alkenes. Lasers emitting

Arsinide (826 words) [view diff] exact match in snippet view article find links to article

Alkali metal arsinides can form by bubbling arsine through a liquid ammonia solution of alkali metal such as sodium, potassium or alkaline earth metal such

Beckton Gas Works (2,586 words) [view diff] exact match in snippet view article find links to article

benzene, toluene, xylene, solvent naphtha, ammonium sulphate and ammonia solution, sulphuric acid, picolines, quinoline, quinaldine, acenaphthene, anthracene

Top hat (4,229 words) [view diff] exact match in snippet view article find links to article

of a sheet of cheesecloth that has been coated with a shellac and ammonia solution and left to cure for 5 months on a wooden frame, on a wooden top hat

E number (1,314 words) [view diff] exact match in snippet view article find links to article

(sequestrant) firming agent Approved in the EU. E510 Ammonium chloride, ammonia solution (acidity regulator) improving agent E511 Magnesium chloride firming

Suillus salmonicolor (2,806 words) [view diff] exact match in snippet view article find links to article

cap, when applied with a drop of dilute potassium hydroxide (KOH) or ammonia solution (chemical reagents commonly used for mushroom identification), will

Basra (7,441 words) [view diff] exact match in snippet view article find links to article

Petrochemical Industries (SCPI). The Southern Fertilizer Company produces ammonia solution, urea and nitrogen gas, while the SCPI focus on such products as ethylene

Belemnotheutis (3,629 words) [view diff] exact match in snippet view article find links to article

paleontologist Phil Wilby called "The Medusa Effect". By mixing it with ammonia solution, the team was able to return the ink to its liquid form. Bringing to

Ammonium hexacyanoferrate(II) (154 words) [view diff] exact match in snippet view article

chemical formula (NH4)4[Fe(CN)6]. Neutralization of ferruginous acid with ammonia solution followed by salting with ethanol: H4Fe(CN)6 + 4NH3 → (NH4)4[Fe(CN)6]

Suillus spraguei (3,173 words) [view diff] exact match in snippet view article find links to article

drop of potassium hydroxide (KOH), iron sulfate (FeSO4) solution, or ammonia solution. The mushroom flesh turns grayish-green to greenish black with a drop

Silver (11,386 words) [view diff] exact match in snippet view article find links to article

acetylide, Ag2C2, formed when silver reacts with acetylene gas in ammonia solution. In its most characteristic reaction, silver azide decomposes explosively

Conservation and restoration of clocks (4,743 words) [view diff] exact match in snippet view article find links to article

bearings and stress corrosion cracking of brass that is exposed to ammonia solution". The mechanisms within clocks are highly sensitive to external matter

Suillus collinitus (2,124 words) [view diff] exact match in snippet view article find links to article

flesh is yellowish, thick and soft. In a colour reaction test with ammonia solution, the flesh turns reddish. The spores are seen ochre-brown in mass,

History of the camera (7,617 words) [view diff] exact match in snippet view article find links to article

light exposure, and that once darkened, it becomes insoluble in an ammonia solution. The first person to use this chemistry to create images was Thomas

Paracetamol (12,167 words) [view diff] exact match in snippet view article find links to article

samples: After hydrolysis with hydrochloric acid, 4-aminophenol reacts in ammonia solution with a phenol derivate, e.g. salicylic acid, to form an indophenol

Zirconium trifluoride (277 words) [view diff] exact match in snippet view article find links to article

water, slightly soluble in hot acids. Insoluble in caustic soda and ammonia solution. Its crystal structure corresponds to that of rhenium(VI) oxide. ZrF3

Alkali metal (23,516 words) [view diff] exact match in snippet view article find links to article

the auride ion (Au−) which also occurs in solvated form in liquid ammonia solution: here gold behaves as a pseudohalogen because its 5d106s1 configuration

IBM microfilm products (2,415 words) [view diff] exact match in snippet view article find links to article

pressurised anhydrous (dry) ammonia gas rather than an aqueous (wet) ammonia solution. It could operate at room temperature and thus did not need to use

Darwin from Insectivorous Plants to Worms (9,104 words) [view diff] exact match in snippet view article find links to article

set up", returned to his experiments on plant roots standing in an ammonia solution, preparing sections and looking for "physiological division of labour"

Umbilicaria torrefacta (3,753 words) [view diff] exact match in snippet view article find links to article

mordants used. The fermentation method involves soaking the lichen in an ammonia solution for several weeks to produce rich red and purple dyes. These colours