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searching for Potassium hydroxide 68 found (755 total)

alternate case: potassium hydroxide

William Nylander (botanist) (298 words) [view diff] exact match in snippet view article

the taxonomy of lichens by the use of chemical reagents, such as potassium hydroxide, tinctures of iodine and calcium hypochlorite, still used by lichenologists
Fatty acid methyl ester (524 words) [view diff] exact match in snippet view article find links to article
the presence of base such as sodium hydroxide, sodium methoxide or potassium hydroxide. One reason for using FAME (fatty acid methyl esters) in biodiesel
Silver–cadmium battery (473 words) [view diff] exact match in snippet view article find links to article
electrode is formed of a pasted grid. Electrolytes are solutions of potassium hydroxide in water. Cells are provide with vent caps to prevent reaction of
Pycnoporus cinnabarinus (136 words) [view diff] exact match in snippet view article find links to article
bacteria. The stipe and the pore surface had a positive reaction with potassium hydroxide. Wikimedia Commons has media related to Pycnoporus cinnabarinus.
Potassium ethoxide (229 words) [view diff] exact match in snippet view article find links to article
these compounds strongly basic. It hydrolyzes to yield ethanol and potassium hydroxide. Potassium ethoxide is used as a strong base, similar to sodium and
Potash pit (400 words) [view diff] exact match in snippet view article find links to article
contains water-soluble potassium salts such as potassium carbonate and potassium hydroxide. The potash pit was a basic stone lined ashery in which hardwoods
Aluminium battery (607 words) [view diff] exact match in snippet view article find links to article
produce a high voltage of 1.9 volts. Another variation uses a base (potassium hydroxide) as the anolyte and sulfuric acid as the catholyte. The two parts
Atromentic acid (156 words) [view diff] exact match in snippet view article find links to article
neutralized with acid the red atromentic acid crystallises. Concentrated potassium hydroxide breaks up the compound to p-hydroxyphenylacetic acid and oxalic acid
Imide (873 words) [view diff] exact match in snippet view article find links to article
metal salts of imides can be prepared by conventional bases such as potassium hydroxide. The conjugate base of phthalimide is potassium phthalimide. These
Cortinarius erythraeus (355 words) [view diff] exact match in snippet view article find links to article
mushroom has no particular taste or smell, and stains red-purple when potassium hydroxide is applied to it. The spore print is rust-brown, and the oval warty
Cortinarius kioloensis (455 words) [view diff] exact match in snippet view article find links to article
The flesh is dark purple to black. All mushroom parts stain red in potassium hydroxide. The thick wide dark blue gills are sinuate. The pale violet stipe
Poison Prevention Packaging Act of 1970 (1,177 words) [view diff] exact match in snippet view article find links to article
in a dosage form intended for oral administration. Sodium and/or potassium hydroxide. Household substances in dry forms such as granules, powder, and
List of medical abbreviations: K (0 words) [view diff] exact match in snippet view article find links to article
keep in view KLS kidney, liver, spleen Km Michaelis constant KOH potassium hydroxide KS Kaposi's sarcoma; Kartagener syndrome KSHV Kaposi's sarcoma-associated
Bismuth(III) oxide (2,027 words) [view diff] exact match in snippet view article
electrolyte of bismuth compounds that is also rich in sodium or potassium hydroxide so as to have a pH near 14. The α-phase exhibits p-type electronic
Hypobromite (539 words) [view diff] exact match in snippet view article find links to article
form upon treating bromine with aqueous alkali, such as sodium or potassium hydroxide. At 20 °C the reaction is rapid. Br2 + 2 OH−(aq) → Br− + BrO− + H2O
Electromotive force (6,922 words) [view diff] exact match in snippet view article find links to article
1.2 V Cadmium Water, potassium hydroxide NiO(OH) nickel-cadmium 1.2 V Mischmetal (hydrogen absorbing) Water, potassium hydroxide Nickel nickel–metal hydride
Crocodilian armor (1,043 words) [view diff] exact match in snippet view article find links to article
united, without visible intercellular substance. Treatment with potassium hydroxide and then with water will show sometimes, though not always, fine
Propionic acid (3,166 words) [view diff] exact match in snippet view article find links to article
Rohrzucker, Gummi, Stärkmehl und Mannit" (On the effect of molten potassium hydroxide on raw sugar, rubber, starch powder, and mannitol), Annalen der Chemie
Sugar soap (371 words) [view diff] case mismatch in snippet view article find links to article
carbonate, Sodium lauryl ether sulfate, Sodium tripolyphosphate, and Potassium Hydroxide. Cosmetic product St Marc safety data sheet "Individual Page". "XL
Gallium(III) bromide (869 words) [view diff] exact match in snippet view article
gallium was obtained by electrolysis of its hydroxide in solution of potassium hydroxide, however today it is obtained as a byproduct of aluminium and zinc
Tinea corporis (1,183 words) [view diff] exact match in snippet view article find links to article
skin scrapings are placed on a slide and immersed on a dropful of potassium hydroxide solution to dissolve the keratin on the skin scrappings thus leaving
Onychomycosis (3,403 words) [view diff] exact match in snippet view article find links to article
appearance and confirmed by laboratory testing. The four main tests are a potassium hydroxide smear, culture, histology examination, and polymerase chain reaction
Hexanitrodiphenylamine (390 words) [view diff] exact match in snippet view article find links to article
warm glacial acetic acid, nitric acid, or aqueous alkalies except potassium hydroxide. Explosive data Detonation velocity 7100 m/s Except where otherwise
Halohydrin (835 words) [view diff] exact match in snippet view article find links to article
Industrially, the base is calcium hydroxide, whereas in the laboratory, potassium hydroxide is often used. This reaction is the reverse of the formation reaction
Dumas method (418 words) [view diff] exact match in snippet view article find links to article
nitrogen. The gases are then passed over special columns (such as potassium hydroxide aqueous solution) that absorb the carbon dioxide and water. A column
Pyrenodesmia micromarina (576 words) [view diff] exact match in snippet view article find links to article
Chemical tests reveal that the thallus and apothecia are negative for potassium hydroxide (K), calcium hypochlorite (C), and p-phenylenediamine (P) reactions
Noryl (473 words) [view diff] exact match in snippet view article find links to article
expensive rare elements. It is highly resistant against the alkaline potassium hydroxide. For conductivity, the plastic is sprayed with a nickel-based catalyst
Vulvitis (1,130 words) [view diff] exact match in snippet view article find links to article
are diagnosed by microscopically examining a sample treated with potassium hydroxide for hyphae. They are treated with topical butoconazole, clotrimazole
Mesitol (192 words) [view diff] exact match in snippet view article find links to article
route involves palladium-catalyzed reaction of bromomesitylene with potassium hydroxide. "2,4,6-Trimethylphenol". Sigma-Aldrich. Fiege, Helmut; Voges, Heinz-Werner;
Sable Chemicals (861 words) [view diff] exact match in snippet view article find links to article
(95 °F) and 30 bar (3,000 kPa). An electrolyte consisting of 25% wt/wt potassium hydroxide, the other part being demineralised water, is used as feed to the
Cortinarius orellanus (679 words) [view diff] exact match in snippet view article find links to article
scales but become smooth with age. The cap surface turns black with potassium hydroxide. The thick gills are light ochre-coloured, changing to a rust-brown
Potassium ethyl xanthate (316 words) [view diff] exact match in snippet view article find links to article
on carbon disulfide. The alkoxide is often generated in situ from potassium hydroxide: CH3CH2OH + CS2 + KOH → CH3CH2OCS2K + H2O Potassium ethyl xanthate
Amanita bisporigera (3,967 words) [view diff] exact match in snippet view article find links to article
the fruit body ages. The cap flesh turns yellow when a solution of potassium hydroxide (KOH, 5–10%) is applied (a common chemical test used in mushroom
Potassium ethyl xanthate (316 words) [view diff] exact match in snippet view article find links to article
on carbon disulfide. The alkoxide is often generated in situ from potassium hydroxide: CH3CH2OH + CS2 + KOH → CH3CH2OCS2K + H2O Potassium ethyl xanthate
Doctor sweetening process (666 words) [view diff] exact match in snippet view article find links to article
dissolves in reasonably concentrated solutions of sodium hydroxide or potassium hydroxide owing to formation of a soluble compound, sodium plumbite: PbO +
4,7-Dihydroisoindole (379 words) [view diff] exact match in snippet view article find links to article
does not take when either strong bases (potassium tert-butoxide, potassium hydroxide) or acids (trifluoroacetic acid, p-toluenesulfonic acid) are involved
Huang Minlon (824 words) [view diff] exact match in snippet view article find links to article
procedure calls for first heating the carbonyl compound, sodium or potassium hydroxide, and hydrazine hydrate (85% hydrazine) together in ethylene glycol
Pitted keratolysis (1,149 words) [view diff] exact match in snippet view article find links to article
testing is not typically required for the diagnosis. However, a potassium hydroxide preparation can help rule out the presence of a fungal infection
Potassium tert-butoxide (692 words) [view diff] exact match in snippet view article find links to article
as amide bases, e.g., lithium diisopropylamide, but stronger than potassium hydroxide. Its steric bulk inhibits the group from participating in nucleophilic
Potassium tert-butoxide (692 words) [view diff] exact match in snippet view article find links to article
as amide bases, e.g., lithium diisopropylamide, but stronger than potassium hydroxide. Its steric bulk inhibits the group from participating in nucleophilic
French submarine Gymnote (Q1) (1,143 words) [view diff] exact match in snippet view article
Lalande-Chaperon patent which used Zinc and copper oxide electrodes with potassium hydroxide electrolyte. These were located all over the ship arranged into six
Wolff–Kishner reduction (4,211 words) [view diff] exact match in snippet view article find links to article
1912. Kishner found that addition of pre-formed hydrazone to hot potassium hydroxide containing crushed platinized porous plate led to formation of the
Biuret test (995 words) [view diff] exact match in snippet view article find links to article
sample is treated with an equal volume of 1% strong base (sodium or potassium hydroxide) followed by a few drops of aqueous copper(II) sulfate. If the solution
Cortinarius violaceocystidiatus (476 words) [view diff] exact match in snippet view article find links to article
pileus nor the stipe exhibit a colour change upon application of potassium hydroxide. Cortinarius violaceocystidiatus is unique in Section Cuphomorphi
Zygomycosis (1,530 words) [view diff] exact match in snippet view article find links to article
(Conidiobolus coronatus/Conidiobolus incongruus) Diagnosis is done with potassium hydroxide (KOH) preparation in tissue. On light microscopy, there will be broad
Dichlororuthenium tricarbonyl dimer (223 words) [view diff] exact match in snippet view article find links to article
polymer: n [RuCl2(CO)3]2 → [RuCl2(CO)2]2n + 2 CO It reacts with potassium hydroxide in alcohol to give triruthenium dodecacarbonyl. Dichlororuthenium
Zygomycosis (1,530 words) [view diff] exact match in snippet view article find links to article
(Conidiobolus coronatus/Conidiobolus incongruus) Diagnosis is done with potassium hydroxide (KOH) preparation in tissue. On light microscopy, there will be broad
Diazomethane (1,303 words) [view diff] exact match in snippet view article find links to article
continuous point-of-use synthesis from N-methyl-N-nitrosourea and 0.93 M potassium hydroxide in water was followed by point-of-use conversion with benzoic acid
Pentafluorosulfur hypofluorite (499 words) [view diff] exact match in snippet view article find links to article
iodine SOF6 + 2I− + H2O → SO2F2 + I2 + 2HF + 2F− Alkalis such as potassium hydroxide react 2SOF6 + 12OH− → O2 + 10F− + 5H2O + 2SO3F− Alkenes react to
Abundisporus (552 words) [view diff] exact match in snippet view article find links to article
slightly thick walls. The tissues of Abundisporus turn brown in potassium hydroxide. As of June 2017[update], Index Fungorum accepts seven species of
Sterigmatocystin (1,135 words) [view diff] exact match in snippet view article find links to article
and chloroform. Sterigmatocystin reacts with a hot solution of potassium hydroxide and ethanol and is easily methylated by methyl iodide. Treatment
Psora (927 words) [view diff] exact match in snippet view article find links to article
such as parietin, which react red or purple-red when treated with a potassium hydroxide solution (K+), but do not react with a nitric acid solution (N–)
Stanislao Cannizzaro (1,007 words) [view diff] exact match in snippet view article find links to article
that aromatic aldehydes are decomposed by an alcoholic solution of potassium hydroxide into a mixture of the corresponding acid and alcohol. For example
Eco-cement (1,283 words) [view diff] exact match in snippet view article find links to article
positive plates and iron negative plates, with an electrolyte of potassium hydroxide. The researchers added conductive carbon fiber into concrete to replace
List of ISO standards 1–1999 (37,454 words) [view diff] exact match in snippet view article find links to article
Potassium hydroxide for industrial use — Preparation of sample solution [Withdrawn: replaced with ISO 2466] ISO 990:1974 Potassium hydroxide for industrial
Hemicellulose (2,736 words) [view diff] exact match in snippet view article find links to article
monosaccharides. When pretreatment is done with bases (for instance sodium or potassium hydroxide) this destroys the structure of the lignin. This changes the structure
Dermatophytosis (3,039 words) [view diff] exact match in snippet view article find links to article
readily diagnosed based on the history, physical examination, and potassium hydroxide (KOH) microscopy. Advice often given includes: Avoid sharing clothing
Diphenic acid (466 words) [view diff] exact match in snippet view article find links to article
Similarly, phenanthrenequinone can be boiled in alcoholic potash (potassium hydroxide in alcohol) to give the potassium salt of diphenic acid, and can
Trichophyton concentricum (1,147 words) [view diff] exact match in snippet view article find links to article
[citation needed] Scrapings from lesions can be stained with 10% potassium hydroxide for visualization under microscope. The medium Sabouraud's dextrose
Azerbaijan–Bulgaria relations (2,788 words) [view diff] exact match in snippet view article find links to article
database of the UN trade office, in 2018, exports of sodium hydroxide, potassium hydroxide, sodium peroxides or potassium to Azerbaijan amounted to 224 US dollars
Morchella esculenta (2,713 words) [view diff] exact match in snippet view article find links to article
network had been fully developed, the beds would be treated with potassium hydroxide to replicate the pH conditions found in soil after a forest fire
Azerbaijan–Bulgaria relations (2,788 words) [view diff] exact match in snippet view article find links to article
database of the UN trade office, in 2018, exports of sodium hydroxide, potassium hydroxide, sodium peroxides or potassium to Azerbaijan amounted to 224 US dollars
Co-fired ceramic (1,265 words) [view diff] exact match in snippet view article find links to article
Ulrich (2018). "Porosification behaviour of LTCC substrates with potassium hydroxide". Journal of the European Ceramic Society. 38 (5): 2369–2377. doi:10
Cetirizine (3,298 words) [view diff] exact match in snippet view article find links to article
yield. Saponification of the acetate ester is done by refluxing with potassium hydroxide in absolute ethanol to afford a 56% yield of the potassium salt intermediate
Electrochemical coloring of metals (1,821 words) [view diff] exact match in snippet view article find links to article
water, 20 potassium hydroxide and 15 litharge. A. Roseleur used a much milder solution of 200 parts of water, 10 parts of potassium hydroxide and 1 part
Teloschistes velifer (427 words) [view diff] exact match in snippet view article find links to article
Teloschistes velifer is an orange-yellow colour, and when treated with potassium hydroxide (K), it turns purple. The underside is grey to whitish and mirrors
Agar (4,013 words) [view diff] exact match in snippet view article find links to article
solidification is between 5.4 and 5.7. Usually, the application of potassium hydroxide is needed to increase the pH to this range. A general guideline is
Roccella albida (507 words) [view diff] exact match in snippet view article find links to article
Chemical spot tests yield negative results for the medulla with both potassium hydroxide (K) and calcium hypochlorite (C), indicated as K− and C−, respectively