(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.
Potassium
Definition:
(n.) An Alkali element, occurring abundantly but always combined, as in the chloride, sulphate, carbonate, or silicate, in the minerals sylvite, kainite, orthoclase, muscovite, etc. Atomic weight 39.0. Symbol K (Kalium).
Example Sentences:
(1) With NaCl as the major constituent of the bathing solution (potassium-free pipette and external solutions) the reversal potential (Er) of the noradrenaline-evoked current was about 0 mV.
(2) The transport of potassium ions through membranes of red blood cells was examined in in bitro experiments using a CMF of 4500 oersted.
(3) RNAs encoding a wild-type (RBK1) and a mutant (RBK1(Y379V,V381T); RBK1*) subunit of voltage-dependent potassium channels were injected into Xenopus oocytes.
(4) Nicardipine lowered systolic and diastolic blood pressure to normal, plasma aldosterone was reduced and serum potassium levels were increased.
(5) However, within 5 min potassium overcame the vanadate potentiation of ouabain binding regardless of the order in which it was added to the reaction mixture.
(6) In this study, a potassium nitrate-polycarboxylate cement was used as a liner and was found clinically to tend to preserve pulpal vitality and significantly eliminate or decrease postoperative pain.
(7) This promotion of repetitive activity by the introduction of additional potassium channels occurred up to an "optimal" value beyond which a further increase in paranodal potassium permeability narrowed the range of currents with a repetitive response.
(8) Assuming 1 kg LBM to contain 52.1 mmol potassium, the mean LBM was 3028 g in the I-NSM and 2739 in the I-SM; mean fat mass was similar in both groups.
(9) PYY inhibited the reduction in net absorption of sodium chloride and water evoked by vasoactive intestinal peptide (VIP), but did not affect the VIP-evoked increase in net potassium secretion.
(10) Thallium-201, a radiopharmaceutical that possesses many of the characteristics of potassium analogues, at present is receiving the greatest attention as a regional blood flow indicator.
(11) No changes were seen in the levels of serum creatinine and potassium, but episodes of hyperkalemia were more frequent in patients on Epo.
(12) Urinalysis revealed a low pH, increased ketones and bilirubin excretion, dark yellowish change in color, the appearance of "leaflet-shaped" crystals and increased red blood cells and epithelial cells in the urinary sediment, increased water intake, decreased specific gravity and decreased sodium, potassium and chloride in the urine.
(13) An electrogenic sodium-potassium pump appears to contribute materially to the steady-state potential and to certain of the transient potential responses of vascular smooth muscle.
(14) No difference in urinary sodium or potassium excretion was observed between SHR and WKY, but basal calcium and phosphate excretion were reduced in SHR (P less than 0.05).
(15) There were no relationships between blood pressure and calorie-adjusted intakes of fats, carbohydrates, sodium, potassium, calcium or magnesium.
(16) The effects of insulin on the renal handling of sodium, potassium, calcium, and phosphate were studied in man while maintaining the blood glucose concentration at the fasting level by negative feedback servocontrol of a variable glucose infusion.
(17) A calcium dependent potassium conductance was probably involved in the slow phase, because it was sensitive to inorganic calcium blockers.
(18) The renal response to aldosterone, measured by urinary sodium and potassium excretion, was determined in adrenalectomized rats that had been previously fed either a high potassium diet or a control diet.
(20) The concentration of potassium (K+) and sodium (Na+) was measured in breast cyst fluid (BCF) from 611 cysts greater than 3 ml aspirated in 520 women with gross cystic disease of the breast.