(n.) The hydroxide of potassium hydrate, a hard white brittle substance, KOH, having strong caustic and alkaline properties; -- hence called also caustic potash.
(n.) The impure potassium carbonate obtained by leaching wood ashes, either as a strong solution (lye), or as a white crystalline (pearlash).
Example Sentences:
(1) The purpose of this study was to determine the clinical, epidemiological and evolutive characteristics of interdigital and plantar intertrigo of the feet among people working in a coking plant, a potash mine and a motorcar factory.
(2) Fast "inactivation" of the potassium current is seen with patch pipettes fabricated from soft glass (soda glass or potash lead glass), and is probably caused by block of the potassium channels by di- or multivalent cations released from the glass.
(3) The prevalence of pleural calcification and pneumoconiosis in talc workers with 15 or more years of employment was higher than in potash miners.
(4) When rotary (drum) filters are used for phase splitting and rotary driers for drying the moist potash fertilizers the emission rate of chlorohydrogen lies between 300 and 1,000 mg m-3.
(5) The Palestinian economy could earn $918m (£571m), 9% of 2011 GDP, if minerals such as potash and bromine were harvested from the Dead Sea.
(6) The GCA RDM 101-1 has been evaluated using aerosols of coal, Arizona road dust, silica, potash, and rock (copper ore) particles.
(7) Symptoms were only slightly more prevalent in talc workers when compared to potash miners.
(8) From January 1986 through 1990, 70 children (42 boys, 28 girls) with esophageal stricture resulting from ingestion of caustic potash underwent simultaneous esophagectomy and colonic interposition utilizing the transhiatal esophageal approach.
(9) Danakali’s managing director Paul Donaldson said , “The Danakil region of East Africa is recognised as an emerging potash [potassium salts] province, and to date over 10bn tonnes of potassium bearing salts have been identified.” Online intelligence magazine Geeska Afrika explained : “Eritrea has many benefits it can offer potential investors.
(10) The mine, which sits on protected moorland overlooking Whitby and Robin Hood’s Bay, aims to produce up to 20m tonnes a year of a potassium-rich mineral called polyhalite, a type of potash fertiliser described by Sirius as a “fertiliser of the future”.
(11) On the basis of investigations in the potash mining industry of GDR were formulated the starting conditions for experiments in a simulation chamber.
(12) Three commonly used fertilizers, urea, single superphosphate and muriate of potash, induced chromosome and chromatid breaks in the metaphase chromosomes of bone marrow cells of fertilizer-fed Swiss albino mice, Mus musculus.
(13) A small corner of one of Britain’s most stunning national parks will be dug up to make way for a £1.7bn potash mine after locals were wooed with promises of more than 1,000 jobs – and the idea of restoring the proud mining heritage of the north-east of England.
(14) Cells from hardened formalin-fixed human hearts were isolated with potash lye.
(15) Two examples are a potash mine in the North York Moors National Park, which is expected to create up to 2,000 jobs, and the new Hitachi plant in Newton Aycliffe constructing superfast trains, which aims to bring in 730 workers.
(16) The dispute followed the collapse this month of a Russia-Belarus sales cartel that controlled two-fifths of the $20bn global market for potash, an ingredient used in mineral fertilisers.
(17) The method was compared with Beohringer's method (n = 50) using hydrolysis of alcoholic potash.
(18) Derek Quinn, who has just retired after 34 years at North Yorkshire’s existing potash mine, in nearby Boulby, said: “From what I understand, I think it will be excellent for the area.
(19) After a four-year planning wrangle, members of the North York Moors National Park Authority were cheered on Tuesday when they narrowly gave the green light to UK firm Sirius Minerals – via its subsidiary York Potash – to dig a mile-deep shaft under heavily protected moorland overlooking Whitby and Robin Hood’s Bay.
(20) The cutaneous sensitivity to benzalkonium chloride, sodium lauryl sulphate and potash soap was determined in 54 monozygotic and 46 dizygotic twin pairs.
Potassa
Definition:
(n.) Potassium oxide.
(n.) Potassium hydroxide, commonly called caustic potash.