• Hardness, and in particular calcium, tend to precipitate coupling with anions like carbonate, phosphate or sulphate. (arvengtraining.com)
  • The most important naturally occurring compounds of calcium are calcium sulphate in mineral anhydrite and hydrated calcium sulphate in gypsum. (niir.org)
  • Calcium sulphate occurs in enormous deposits of gypsum, CaSO4.2H2O. (niir.org)
  • Returning the phosphoric acid and gypsum (calcium sulphate, or CaSO4). (stackexchange.com)
  • The problem here is that the uranium in the phosphate rock produces 226Ra (among other radionuclides) during its decay, and since 226Ra is an 'Alkalin Earth Metal' (it's on the 2nd column of the periodic table), it can form radium sulphate and mimic calcium, leading to radioactive gypsum. (stackexchange.com)
  • Calcium, being a cation, cannot exist alone in a soil solution without an anion (negatively charged ion) such as phosphate, nitrate and sulphate. (apal.org.au)
  • In Cooling Tower often it is seen that scale of Calcium Carbonate, Magnessium Carbonate, Silica , Sulphate scales block the heat transfer area. (atishchemicals.com)
  • In Cooling Tower often it is seen that scale of Calcium Carbonate, Magnessium Carbonate, Silica , Sulphate,Phosphate scales block the heat transfer area. (atishchemicals.com)
  • In this study, we develop an integrated process for the direct recovery and separation of dicalcium phosphate dihydrate for fertilizer and livestock feed additive production from a low-grade (2.0 wt% P) iron-rich (19.7 wt% Fe) phosphate ore. (rsc.org)
  • These salts may consist of calcium pyrophosphate dihydrate, dicalcium phosphate dihydrate or hydroxyapatite. (blogspot.com)
  • The largest integrated phosphate mining and chemical plant in the world, it is wholly owned by the Potash Corporation of Saskatchewan (PotashCorp) and has the capacity to produce 6.6mt/y of phosphate ore, 1.3 mt/y of phosphoric acid and 0.2mt/y of phosphate feed. (aletapedelaferme.fr)
  • 2 The phosphate rock is converted to phosphoric acid (H 3 PO 4 ) which is used to produce phosphate fertilizers. (rsc.org)
  • In the wet phosphoric acid process, the phosphate rock is reacted with sulfuric acid (H 2 SO 4 ), producing gypsum (CaSO 4 ·2H 2 O) and aqueous phosphoric acid (reaction (1) ). (rsc.org)
  • In the present study, the Au/Ag doped nano sized hydroxyapatite was synthesize from the combination of low cost dead Mussel shell (Mollusk) as calcium source with di-ammonium hydrogen phosphate (NH4)2HPO4 as a phosphate source, at the same time as maintain the pH at 10 using ammonium hydroxide (NH4OH), followed by microwave irradiation for 30 min. (mahendrapublications.com)
  • Of the total body stores of phosphate, 85% are deposited in bones and teeth where it associates with calcium in the form of hydroxyapatite (a form of calcium phosphate). (checkyourfood.com)
  • The main food sources are the protein food groups of meat and milk, as well as processed foods that contain sodium phosphate. (medlineplus.gov)
  • Besides preventing sodium buildup in soil and amending sodic soils, there're other calcium sulfate application advantages in soil. (everbrighttr.co)
  • Agricultural grade calcium sulfate can reduce swelling and cracking in clay soils.Which are related to the high sodium levels in these soils. (everbrighttr.co)
  • Since sodium is replaced by calcium in clay soils, they become less swollen. (everbrighttr.co)
  • Examples of fluorides include sodium fluoride and calcium fluoride. (cdc.gov)
  • Sodium fluoride readily dissolves in water, but calcium fluoride does not. (cdc.gov)
  • La teneur faible en ions calcium et magnésium et élevée en ions sodium de l'eau douce affecte négativement les résultats de la coloration de routine à l'hématoxyline-éosine. (who.int)
  • The enamel layer is the white part of your teeth, 96% of which consists of minerals such as calcium phosphate. (pebblepathdds.com)
  • Calcium compounds are one of the popular minerals in chemicals market, and fruits often face calcium deficiency when they're growing. (everbrighttr.co)
  • Fluoride, along with ACP, occludes tubules by depositing tooth-like minerals to create a semi-permanent reduction in hydraulic conductance. (premierdentalco.com)
  • Calcium fluoride is the compound in the common minerals fluorite and fluorspar. (cdc.gov)
  • Most of the fluoride interaction will be to form a precipitate that will be incorporated into pipe scale (the deposits on the inside of pipes that are mostly calcium) or removed by routine system flushing. (cdc.gov)
  • Tubules are almost completely filled in with a precipitate of Amorphous Calcium Phosphate Fluoride. (premierdentalco.com)
  • Sedimentary rock phosphates contain much higher concentrations of potentially hazardous elements (As, Cd, Cr,Pb, Se and U)than igneous rock phosphates. (stackexchange.com)
  • To understand why sedimentary phosphate rocks (hereafter referred to as phosphorites ) have elevated uranium contents we first need to understand what are they made of and why do they form in the first place. (stackexchange.com)
  • Source: sedimentary deposits of diatoms. (georganics.com)
  • Calcium sulfate is also used to increase concentrations of salts in soft water used in irrigation. (everbrighttr.co)
  • By blocking the exposed tubules with a combination of stannous (tin) ions along with fluoride, calcium and phosphate salts, a physical barrier is created that covers open dentinal tubules to prevent external stimuli from causing pain or discomfort. (premierdentalco.com)
  • The island of Madagascar is renowned for its rich gemstone deposits, and it is one of the major sources of Apatite in the world. (meleegems.com)
  • Apatite is a calcium phosphate mineral famous for its intense and vibrant blue color. (meleegems.com)
  • Skeletons of dead marine animals (e.g. fish) are deposited on the ocean floor as apatite. (stackexchange.com)
  • The source of apatite need not be biogenic: it can also be sourced from igneous or hydrothermal activity occurring on the ocean floor, or derived as clastic material from the continents. (stackexchange.com)
  • The mechanism is not yet completely understood, but it's most likely the incorporation of $\ce{U^4+}$ in the mineral structure of apatite, replacing calcium. (stackexchange.com)
  • But, as we mentioned earlier, apatite deposits form by the decay of dead marine animals. (stackexchange.com)
  • Fluoride reacts with tooth mineral, forming either fluoridated apatite (firmly-bound) or calcium fluoride (loosely-bound). (premierdentalco.com)
  • Biphasic calcium sulfate provides benefits as a short-term space maintainer. (allenpress.com)
  • Use of biphasic calcium sulfate as the sole material are limited to relatively small osseous defects surrounded by at least 3 bony walls (eg, extraction sockets). (allenpress.com)
  • The healing mechanism of osteoconductive biphasic calcium phosphate granules was investigated by a histological assessment of early-stage bone deposition and remodeling. (marquette.edu)
  • New bone tissue was deposited in the space provided by the macroporosity and was observed in direct apposition to the implanted material confirming the bioactivity of the biphasic calcium phosphate. (marquette.edu)
  • Calcium contributes to bone growth and strength, and it forms an important part of the solid enamel that surrounds each tooth's fragile inner pulp. (pebblepathdds.com)
  • For horses with calcium deposits/bone spurs (including ringbone and side bone) it is important to eliminate synthetic Vitamin D3 and outside sources of calcium from the diet. (sstack.com)
  • Collagen tissue is needed for the deposition of calcium phosphate to variety bone. (nyshealthdepartment.net)
  • It is into this structure that calcium is deposited to kind the bone. (nyshealthdepartment.net)
  • Bone consequently is composed of collagen (an natural protein - stay content) and calcium phosphate (an inorganic material). (nyshealthdepartment.net)
  • When osteoporotic bone is X-rayed and in comparison to standard bone, it seems transparent because you are not able to see the typical amounts of calcium. (nyshealthdepartment.net)
  • These cells lay down the calcium, offering the bone its toughness yet again. (nyshealthdepartment.net)
  • Infants, children, and pregnant women have the greatest need for calcium because of their exceptional rates of bone formation and growth. (healthline.com)
  • Calcium from dolomite, bone meal, or oyster shells isn't recommended because these sources may contain lead and other toxins. (healthline.com)
  • However, adequate phosphate is needed for bone health. (healthline.com)
  • The movement of phosphate in and out of bone, the reservoir containing most of the total body phosphate, is generally balanced. (medscape.com)
  • There is also the likelihood that escalating your calcium level inappropriately can interfere with zinc absorption. (nyshealthdepartment.net)
  • Calcium absorption occurs for about six weeks after fruit set. (apal.org.au)
  • Although vitamin D can enhance the absorption, especially under conditions of dietary phosphate depletion, intestinal phosphate absorption does not require the presence of active vitamin D. Specifically, high serum phosphate and high dietary phosphate intake do not significantly impair intestinal uptake. (medscape.com)
  • An overnight incubated soil suspension in ing of anthrax is therefore a focus in public sterile phosphate-buffered saline (PBS) was health. (who.int)
  • Most previous studies on the adoption of low-grade phosphate ores have focussed on ore beneficiation processes which are expensive, complex, and in some cases inefficient. (rsc.org)
  • Prior to this most P fertilizer came from bat guano deposits (real world term bird poop) and animal manures. (biocycle.net)
  • About 95 percent of this phosphate ore is used to make fertilizer. (aletapedelaferme.fr)
  • The limitation of this process is that the phosphate content of the fertilizer cannot exceed the nitrogen content. (adwokat-maciukiewicz.pl)
  • Most potassium used in fertilizer production is taken from natural deposits of potassium chloride. (adwokat-maciukiewicz.pl)
  • When too much uric acid forms in the pee it can crystallize and combine with calcium to form a stone. (visiblebody.com)
  • Surface and groundwater sources in areas with limestone formations are especially likely to have high hardness and alkalinity due to the dissolution of bicarbonates and carbonates. (ufl.edu)
  • The carbonate system describes a series of chemical equilibria with CO 2(g) in the atmosphere and various bicarbonates and carbonates dissolved from surrounding mineral deposits. (ufl.edu)
  • Hyperphosphatemia-that is, abnormally high serum phosphate levels-can result from increased phosphate intake, decreased phosphate excretion, or a disorder that shifts intracellular phosphate to extracellular space. (medscape.com)
  • In one process, calcium phosphate, which is derived from phosphate rock, is heated in an electric or fuel-fired furnace in the presence of carbon and silica [1] . (wikidoc.org)
  • The low-grade ore is crushed/grinded to −74 μm size for liberation of phosphate, carbonate, and silica. (aletapedelaferme.fr)
  • The phosphate appears to accumulate preferentially on a favorable substrate such as calcium carbonate. (cdc.gov)
  • Is there a trend for phosphate and uranium to accumulate together, and if so, what is the geochemical reason? (stackexchange.com)
  • Pollination is important in calcium uptake because apples with higher seed numbers accumulate more calcium. (apal.org.au)
  • A green-reaction assisted synthesis using a natural occurring dolomite is reported for precipitated calcium carbonate production over aloe barbadensis miller extract template under ambient condition. (adwokat-maciukiewicz.pl)
  • Your child's body deposits this calcium into her growing bones, including the teeth. (pebblepathdds.com)
  • Calcium does more than build strong bones and healthy teeth . (healthline.com)
  • The teeth are involved in all 3 roles, and dental diseases can be a source of multiple problems, including oral and systemic infections and difficulty in chewing, swallowing, or phonation. (medscape.com)
  • Traditionally, apexification through multiple appointments and longer intervals of calcium hydroxide dressing, is used to create an apical barrier prior to canal filling 12 . (bvsalud.org)
  • The most important use of phosphate rock, though, is in the production of phosphate fertilizers for agriculture. (mineralseducationcoalition.org)
  • 2 - John J. Mortvedt and James D. Beaton, Heavy Metal And Radionuclide Contaminants In Phosphate Fertilizers. (stackexchange.com)
  • Replacing alfalfa hay with a grass hay will also help reduce calcium intake as well and give us better control over the catalyst in what's contributing to development of the calcium deposit. (sstack.com)
  • Renal excretion of excess dietary phosphate intake ensures maintenance of phosphate homeostasis, maintaining serum phosphate at a level of approximately 3-4 mg/dL in the serum. (medscape.com)
  • Unlike other nutrients, like potassium and nitrogen, calcium does not move in the phloem and so will not re-distribute from the leaves to the fruit. (apal.org.au)
  • According to the reviewed results the major environmental impacts of phosphate mining and processing on the water resources were: impacts on the hydrology by phosphate industry water usage and landscape changes, and impacts on water quality by discharges of industry wastewater into the waterways. (aletapedelaferme.fr)
  • Most mining of phosphate rock involves clearing large swaths of vegetation and digging up the soil beneath to reach the phosphate-ore-containing matrix 60 to 80 feet below the surface. (aletapedelaferme.fr)
  • The unique geologic history of southern Idaho makes it one of the largest sources of phosphate ore in the United States, and phosphate mining has been an important industry in the area since the early 20th century. (aletapedelaferme.fr)
  • It appears that the factors favoring phosphate accumulation are local rather than regional. (cdc.gov)
  • This system measures the emission of gamma rays or x-rays from internally deposited radionuclides. (cdc.gov)
  • Higher concentrations of both calcium and phosphate, as well as higher temperatures in the pool will cause increased risk of calcium phosphate scale formation. (swimmingpool.com)
  • There are a number of factors that increase the risk of calcium related problems in apple fruit and it's never just about one risk factor. (apal.org.au)
  • Crystals may also be deposited in bursae, capsules, ligaments and tendons. (blogspot.com)
  • It is important to have sufficient amounts of calcium in the soil and a soil test can determine this. (apal.org.au)
  • High amounts of these competing cations will reduce calcium uptake. (apal.org.au)
  • Caries protective factors: Systemic and topical fluoride sources, adequate saliva flow, xylitol in the diet, use of calcium and phosphate paste or chlorhexidine. (wikipedia.org)
  • There has been renewed interest in loosely-bound fluoride as a reaction product of fluoridation to act as a potential "reservoir" source of solution fluoride enhancing remineralization and retarding demineralization processes. (premierdentalco.com)
  • These deposits are exploded during their extraction to separate calcium sulfate from other substances and powder it in specific sizes. (everbrighttr.co)
  • Source: mineral extraction. (georganics.com)
  • Source: extraction from the Coconut fruit. (georganics.com)
  • Source: extraction from the nut of Shea Tree. (georganics.com)
  • Source: mineral extraction & treatment with carbon dioxide. (georganics.com)
  • To study the effect of tap water `softening' (i.e. calcium extraction) on H&E stains, 5 sets of slides from 30 different paraffin-embedded human pathologic tissue blocks were prepared in the same way except for washing with 5 different types of water. (who.int)
  • Afin d'étudier l'effet de l'adoucissement de l'eau du robinet (extraction du calcium) sur les colorations à l'hématoxyline et à l'éosine, cinq (5) séries de lames issues de 30 blocs de tissus pathologiques humains différents inclus en paraffine ont été préparées de la même manière, sauf pour le lavage qui a été effectué avec cinq types d'eau différents. (who.int)
  • Whereas fruit with adequate calcium can be kept longer in storage after picking. (apal.org.au)
  • Ensuring adequate calcium will help to reduce the incidence of bitter pit (as demonstrated in the above Jazz apple) and blotch in apples. (apal.org.au)
  • In vivo techniques measure the quantities of internally deposited radiostrontium directly using a whole body counter, while in vitro techniques permit estimation of internally deposited strontium by analysis of body fluids, excreta, or (in rare instances) tissues obtained through biopsy or postmortem tissue sectioning. (cdc.gov)
  • In vivo (or direct) measurements of radioactive strontium in the body are made with radiation detector systems and associated electronics called whole body counters that measure radiation as it leaves the body from internally deposited radioactive strontium. (cdc.gov)
  • And in an interesting twist, a major source for sulfur for the last 50 years or so has been air pollution. (biocycle.net)
  • Burning high sulfur coal resulted in large quantities of sulfur being deposited on soils. (biocycle.net)
  • A combination of wolfberry and methylsulfonylmethane (MSM), a naturally occurring organic form of dietary sulfur needed by our bodies every day, Being a calcium phosphate dissolver, MSM helps in breaking up the unhealthy calcium deposits in the body that are the root cause of degenerative diseases. (carla-green.com)
  • Calcium sulfate is also a source of sulfur, which is very important for plant growth. (everbrighttr.co)
  • On the other hand, the formation of calcium phosphate scale is not driven by high pH. (swimmingpool.com)
  • In addition, some manufacturers warn against high phosphate levels to prevent the calcium phosphate scale that may form in the chlorine generator. (swimmingpool.com)
  • We identify in total 237 high-confidence interactors, which link EN fusions to several key signaling pathways, including ERBB, insulin and JAK/STAT. We then assessed the effects of EN variants on these pathways, and showed that the pan NTRK inhibitor Selitrectinib (LOXO-195) inhibits the oncogenic activity of EN2, the most common variant. (bvsalud.org)
  • In soils with high pH values, calcium is not sufficiently available to plants. (everbrighttr.co)
  • High serum calcium and phosphate levels: Observed with vitamin D intoxication and milk-alkali syndrome. (medscape.com)
  • If the need is large, an additional source of chlorine is required to break the demand and re-establish the sanitizer level. (swimmingpool.com)
  • Scale deposits can also impact how well an electrolytic cell produces chlorine. (swimmingpool.com)
  • Calcium carbonate is the most common type of scale found within any pool environment and makes up the majority of buildups found on chlorine generator cell plates. (swimmingpool.com)
  • Calcium sulfate (CaSO4) Systematic use is one of the important improving field efficiency ways, especially in amending clay soils. (everbrighttr.co)
  • Calcium sulfate improves infiltration in compacted soils and decreases penetration resistance. (everbrighttr.co)
  • Borax is a naturally occurring mineral commonly mined from dried salt lakes, and is the source of other manufactured boron compounds. (health-science-spirit.com)
  • The exact phosphate content of the phosphate rock mined in 2015 is not available, but in the latest five-year period for which ore grades are available, 2009-2013, the grade of US phosphate rock varied from 28.5 to 29.0 percent P 2 O 5. (aletapedelaferme.fr)
  • As of 2016, remaining reserves of phosphate rock in the United States totaled 1.1 billion metric tons. (aletapedelaferme.fr)
  • Some phosphate rock is used to make calcium phosphate nutritional supplements for animals. (mineralseducationcoalition.org)
  • The main source of lime is rock that contains calcium carbonate. (adwokat-maciukiewicz.pl)
  • Why does phosphate rock contain uranium? (stackexchange.com)
  • The point here is, why is the phosphate rock enrichened in uranium that can produce radium? (stackexchange.com)
  • Phosphate rock varies considerably in content of U, Ra, and Th, depending on the geographical area from which it was mined. (stackexchange.com)
  • This causes the debris to crystallize and form hard deposits. (visiblebody.com)
  • 40% P 2 O 5 ), while livestock feed additives are usually in the form of dicalcium phosphate (CaHPO 4 ), monocalcium phosphate (Ca(H 2 PO 4 ) 2 ), or defluorinated phosphate (Ca 3 (PO 4 ) 2 ). (rsc.org)
  • 1,4-6 The P 2 O 5 grade, mineral form, and calcium content of these products are critical for their effective performance in their target applications and their market value. (rsc.org)
  • Maintaining the pH between 6.0 and 6.5 will ensure the calcium in the soil is in a form that is available to plants. (apal.org.au)
  • We have developed a new product AT-TREAT-901 (ORGANIC DESCALANT) in liquid form to remove scales deposited on the wall of heat exchanger. (atishchemicals.com)
  • Some of the central ideas investigated comprise the metabolic/biological impacts of different tissue/donor sources and differentiation conditions, including the importance of considering 3D culture environments, mechanical cues and/or media enrichment to guide differentiation into specific lineages. (ua.pt)
  • Skin levels of calcium directly influence skin cell growth and differentiation. (nuzhei.com)