Comparing E504II - Magnesium hydroxide carbonate vs E551 - Silicon dioxide
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550 mg of calcium carbonate and 110 mg of magnesium hydroxide what is the total of moles?
CaCO3 ≈ 0.0055 mol and Mg(OH)2 ≈ 0.0019 mol, for a total of about 0.0074 mol; note E504ii is magnesium hydroxide carbonate (a different compound).
Bone contains living cells and organic matter such as collagen, protein, and polysaccharides. however, much of the volume of bone is made up of minerals, which may comprise as much as 65% of bone mass. calcium and phosphate are the most common minerals, with calcium in the form of hydroxyapatite [ca₁₀(po₄)₆(oh)₂] and calcium carbonate [caco₃]. magnesium hydroxide, fluoride, and sulfate may also be present. where do you think the body gets the needed minerals?
Primarily from the diet and drinking water; small amounts may also come from permitted food additives and fortificants, including magnesium salts such as E504ii (basic magnesium carbonate) when used in foods.
Calcium carbonate or magnesium hydroxide a stronger base when treated with hci?
Magnesium hydroxide is the stronger base and neutralizes more HCl per gram; E504ii (basic magnesium carbonate) is milder, with neutralizing strength between carbonate and hydroxide forms.
Calcium carbonate vs magnesium hydroxide which is a stronger base?
Magnesium hydroxide is stronger; hydroxide is a stronger base than carbonate and provides higher acid-neutralizing capacity per gram.
How does calcium carbonate differ from magnesium hydroxide?
Calcium carbonate is a carbonate salt that reacts with acid to release CO2 and is a weaker base per gram, while magnesium hydroxide is a hydroxide that forms water and salts without CO2 and is a stronger base; E504ii is basic magnesium carbonate, a related magnesium salt used mainly as a carrier in foods.
Is silicon dioxide safe?
Yes—food-grade silicon dioxide (E551), a synthetic amorphous silica used as an anti-caking agent, is permitted by regulators (e.g., FDA GRAS; EFSA found no concern at current uses) at typical food levels. This differs from inhaling crystalline silica dust, which is hazardous.
What happens if you eat silica gel?
Silica gel is an inert, amorphous silicon dioxide desiccant; if swallowed it usually passes through without being absorbed, though it can cause brief stomach upset or pose a choking risk. Indicator varieties (e.g., cobalt-dyed) aren’t meant to be eaten—seek advice if a child swallows a packet or a large amount.
Is silicon dioxide bad for you?
Not at the small amounts used in foods—E551 is considered safe and is largely not absorbed by the body. The main risk with silica is from inhaling crystalline silica dust, not ingesting food-grade amorphous silica.
Is silica bad for you?
In foods, amorphous silica (E551) used as an anti-caking agent is regarded as safe at permitted levels, and most ingested is excreted. Health concerns mainly relate to occupational inhalation of crystalline silica, which is hazardous.
What is silica gel?
Silica gel is a porous, amorphous form of silicon dioxide used as a desiccant to control moisture in packaging. It isn’t a food ingredient, and “Do not eat” labels are to prevent choking or misuse.