Sentences with phrase «precipitate calcium»

These precipitate calcium to make tiny shells called liths.

Reef building corals precipitate calcium carbonate as an exo - skeleton and provide substratum for prosperous marine life.

Thus, even though mussels may not be precipitating calcium carbonate in equilibrium with seawater [6], we can not yet identify a metabolic process that is causing a δ13C decline through time in modern shells.

Not exact matches

This will encourage dissolved calcium carbonate to precipitate all over the frame, building up a thick, chalky layer as strong as reinforced concrete.

Once a critical point is reached, nucleation occurs and the amount of free calcium ions drops to a value that corresponds to the particular solubility concentration of the precipitated phase according to a typical LaMer diagram (25).

To maintain the solubility constant, which, however, slightly differs for the phases precipitated in different pH ranges, the solubility concentration of calcium ions is specifically lower at higher concentrations of carbonate (higher pH).

Ocean acidification in particular, caused as the ocean absorbs carbon dioxide from the atmosphere, is a grave concern for stony corals, because it makes it harder for the animals to passively precipitate skeletons made of calcium carbonate, the same molecule found in antacids for heartburn and indigestion.

After separation of the solid fraction, the released phosphate dissolved in the liquid fraction can be precipitated as magnesium ammonium phosphate and calcium phosphate, which in turn are directly usable as high value fertilising salts.

The ammonia reacts with water to form ammonium hydroxide, which makes any nearby calcium precipitate out as calcium carbonate crystals, or limestone.

That activity in turn causes calcium carbonate to precipitate, an event known as a whiting.

The gastropod shell has several layers, and is typically made of calcium carbonate precipitated out into an organic matrix.

The team studied the precipitate, solid calcium carbonate, CaCO3.

If there is an adequate amount of calcium in the diet — if supplementing with calcium citrate, for example — it will combine with the oxalate in the GI tract, precipitate out in the stool, and then be eliminated in the stool.

This is because metal ions like calcium form insoluble precipitates with oxalate (calcium oxalate).

At a later date, possibly in the 2nd century BC, Chinese scientists discovered that a puree of cooked soybeans could be precipitated with calcium sulfate or magnesium sulfate (plaster of Paris or Epsom salts) to make a smooth, pale curd - tofu or bean curd.

This will cause any excess blood calcium, assuming there is an insufficient amount of EFA's to drive it into the bone, to precipitate into the tissues, bursae in this case.

Struvite, calcium carbonate, and calcium phosphate precipitate in alkaline urine.

It is important to know that while low blood calcium precipitates the condition, excessive dietary supplementation of calcium during pregnancy predisposes the dam to it.

Hypocalcemia may also occur during parturition and may precipitate dystocia It is rare in cats and most common in dogs weighing < 20 kg, exacerbated by improper perinatal nutrition (excessive calcium / phosphorus supplementation or an imbalanced prenatal diet).

Struvite and calcium oxalate crystals and stones are by far the most common precipitates seen in cat urine today.

Without this particular bacterium in the GI tract, it is possible that blood calcium levels may rise and calcium oxalate may precipitate out in the urine, resulting in sludging from calcium oxalate crystals and eventually resulting in calcium oxalate stones.

The white precipitate is excess calcium excreted through the urine.

Diagnosed via radiography, a bladder stone is a mass of calcium and / or oxalate salts that has precipitated into a solid mass.

Bladder stone (urolith): Diagnosed via radiography, a bladder stone is a mass of calcium and / or oxalate salts that has precipitated into a solid mass.

However, when excessive amounts of calcium / oxalate salts precipitate in the urinary tract, they sometimes manifest as a thick, curry - colored «sludge» that sometimes has a consistency as thick as toothpaste.

One has to wonder, though, why all the calcium ions and bicarbonate ions don't form calcium carbonate and precipitate out.

Weathering of surface rock releases calcium and magnesium ions, which precipitate as calcium and magnesium carbonate.

Other scientists dispute the necessity of life to the carbon cycle, for even without plankton calcium carbonate at sufficiently high concentration would precipitate out of ocean water.)

Sulphate composition of seawater is constant so that has no effect (it's precipitated out as Calcium Sulphate) and change in CO2 is predominantly from the atmosphere not volcanoes.

Not from subterranean volcanoes, the SO2 ends up as SO4 ^ 2 - ions which precipitate out as calcium sulphate.