chemical appearance:
The 8596 phosphoric acid is an aqueous solution that is colouress, odourless and not volatle. it presents in the form of a syrup, thick but stil pourable. The basic
conjugate base of this acid is a dihvdrogen phosphate anion which is a mix of hydrogen and phosphate ions.
chemical application and strengths
There are two types ot phosphoric acids,food grade and industial grade phosphoic acids. The food grade phosphoric acid is added to foods and drinksto gwe
them a slight acidic feel. lt is common in colas and jams where it gives them a sour or tangy taste.
The food grade type is also used as nutrition agentfor fod containing yeast. This helps in the growth ofyield in the production process without the formation of
other bacterla that are not essentlal in the maturing of foods or drinks. Iin sugar production, the acid acts as reaction catalyst.
The industnia-grade phosphoric acid is used as a diying agent a catalyst and cleaners.It is also used in the production ofvarious chemical treatment liquids
phosphates and electroyte treatment liquids. in the metal production industry, phophoric acid is used as a coating to prevent rust in metals. in adition. the
acid is used in the semiconductor industry in the making of liguid crystal display films, electronic chips as well as cleaning of such products.
Although phosphoric acid is generaly referred to as a weak acid. it has al the characteristics ofan acid. According to pubchem, it is also a sequestering agent
that binds to various divalent metal cations including iron and magnesium.This qualty allows it to be used in a number of electrolyte corection aplications in
both the food and industrial applications
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| Phosphoric Acid | |
| Chemical formula: | H3PO4 |
| Molecular weight: | 172.09 |
| Standard executed： | CB/T 28159-2011： CB引49-2004/FCC： CB/T 2091-2008 |
| Properties: | Under normal temperatu re. phosphoric acid is a colorless tran spare nt viscous liquid, with a melting point of 21 .FC and a boiling point of 158 3C. As a tribasic acid with moderate acidity, it has all the common characteristics of an acid, including strong metal corrosion properties. |
| Usage: | 1. Phosphoric acid Electronic Grade is widely used in the semiconductor industry in ultra large scale integrated circuits, electronic chips, liquid crystal display films and cleaning and etching of said products. It is also used in the preparation processes of high purity special phosphates and high purity organic phosphorus products. 2. Phosphoric Acid Food Grade is used as a clarifier in food and beverage industries, as an acid additive or a yeast nutrient, and in the production of food grade phosphates. 3. Mainly used as a metal surface treatment age nt. as the phosphate in raw material products, as an organic reactio n catalyst in the sugar industry and as a refractory additive or a activated carbon treatment agent in the compound fertilizer industry. |
| Packaging and storage: | Electronic Grade: Packaged in 200L HDPE drums(33OKg /drum), IBC ton barrels (1700 Kg /drum), or the ISO lorry lined in 引6L stainless steel. Food grade : 1000L IBC (1700KC/tanklBC), 200L drum (33OKC/drum) , 25L drum(35KG/drum) and ISO-TANK. Store in a cool. dry. well-ventilated area away from toxic and hazardous Tech grade: 1000L tank(1700KC/tank. IBC); 200L plastic drum (33OKC/drum); 25L plastic drum(35KC/drum) and ISOTANK. |
| Approved | Approved |
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