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phosphate apatite
Phosphate minerals in the H group of ordinary chondrites
We have carried out a petrographic study of the phosphate minerals merrillite and apatite in metamorphosed H group ordinary chondrites of petrologic type 4–6 to understand development of phosphate minerals and associated fluid evolution during metamorphism In unbrecciated chondrites apatite is Cl rich and shows textural evolution from
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Fluid induced nucleation of Y REE phosphate minerals
In order to define the role of fluids in the formation of Y REE phosphate minerals associated with apatite a series of experiments covering wide ranges of temperature 900–300 C and pressure 1000–500 MPa for a series of fluid compositions pure H 2 O a 50/50 molar mix of H 2 O and CaF 2 and CO 2 with 1–2 wt H 2 O were
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Fluorapatite
Laboratory Chemical Safety Summary LCSS Datasheet Molecular Formula Ca5FO12P3 Synonyms Fluorapatite Apatite Phosphate rock Fluorapatite Ca5F PO4 3 1306 05 4.
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PDF Phosphate Deposits
2010 8 9 Apatite is the principal primary mineral but a number of others are common in deposits formed during weathering of phosphate In the trade the phosphate content of phosphate rock and fertilizer is commonly re ported as Ca3 PO4 >2 known as
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CALCIUM PHOSPHATE STONES Causes and Prevention
Phosphate stones HA or Br can grow faster and larger than calcium oxalate ones Calcium phosphate crystals invade kidney tissue so called tubule plugs Tissue damage is common as is Nephrocalcinosis from plugging often misdiagnosed as medullary sponge kidney Kidney tissue damage is
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Phosphate minerals in the H group of ordinary chondrites
We have carried out a petrographic study of the phosphate minerals merrillite and apatite in metamorphosed H group ordinary chondrites of petrologic type 4–6 to understand development of phosphate minerals and associated fluid evolution during metamorphism In unbrecciated chondrites apatite is Cl rich and shows textural evolution from
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Influence of Calcium Phosphate and Apatite Containing
Influence of Calcium Phosphate and Apatite Containing Products on Enamel Erosion A Kensche 1 S Pötschke 1 C Hannig 1 G Richter 2 W Hoth Hannig 3 and M Hannig3 1Clinic of Operative and Pediatric Dentistry Medical Faculty Carl Gustav Carus TU
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Apatite The mineral apatite information and pictures
Apatite is the most common phosphate mineral and is the main source of the phosphorus required by plants The bones and teeth of most animals including humans are composed of calcium phosphate which is the same material as Apatite These biological Apatites are almost exclusively the Hydroxylapatite type Chemical Formula.
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phosphate apatite
Many translated example sentences containing phosphate apatite Spanish English dictionary and search engine for Spanish translations.
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Phosphate vs Apatite
As nouns the difference between phosphate and apatite is that phosphate is chemistry any salt or ester of phosphoric acid while apatite is mineral a calcium fluoride phosphate of variable composition sometimes used in the manufacture of fertilizer As a verb phosphate is to treat or coat with a
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PDF Phosphate Deposits
2010 8 9 Apatite is the principal primary mineral but a number of others are common in deposits formed during weathering of phosphate In the trade the phosphate content of phosphate rock and fertilizer is commonly re ported as Ca3 PO4 >2 known as
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Causes of phosphate stone formation and the importance
The most important phosphates involved in urinary stone disease are carbonate apatite brushite and struvite Overall phosphate stones account for 12 20 of all stones with a downward trend for struvite and an increase in carbonate apatite being observed in the last decade The physicochemical ba
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Apatite
Apatite is generally a group of phosphate minerals consisting of high concentration of OH − F − and Cl − referred to as hydroxylapatite fluorapatite and chlorapatite respectively Actually it is a type of mineral named by German geologist in 1786 Apatite is the most commonly used mineral especially in biological environmental systems.
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Control of octacalcium phosphate and apatite crystal
Considering octacalcium phosphate OCP as a precursor phase of enamel apatite crystallites we have developed in vitro systems to grow OCP and apatite crystals in amelogenin matrices and therefore to investigate amelogenin–OCP and amelogenin– apatite interactions This paper reviews our current findings on the effect of amelogenin on the
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Calcium Phosphate
Apatite Fig 1.12 is a group of natural calcium mineral±fluorine and chlorine Ca 5 PO 4 3 F Cl OH The mineral primarily occurs as phosphate rock The large apatite deposits are located in China Canada the United States Europe Russia and India Apatite is
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Transformation of amorphous calcium phosphate to bone
2018 10 9 The growth of apatite crystals from amorphous calcium phosphate is an area of intense study Here the authors report on the use of high resolution TEM
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Fredric L Coe MD October 14 2021 Hi Jes Yes They can move and obstruct within the kidney for example Your stones are high in phosphate content carbonate apatite and can grow rather rapidly and crystals can form that cause pain just like stones.
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