Traditional Culture Encyclopedia - Photography major - What is e33 1? What is the chemical name? What do you do?

What is e33 1? What is the chemical name? What do you do?

E33 1 is the specification and brand of sodium citrate, which is the European quality standard and various international standards.

sodium citrate

Also known as sodium citrate

Latin name sodiumcitation

The molecular formula is na3c6h5o7 2h2o,

Molecular weight 294. 1

Colorless crystal or white crystalline powder.

Function and use as flavoring agent and stabilizer in food and beverage industry; Used as anticoagulant, expectorant and diuretic in pharmaceutical industry; In the detergent industry, it can replace sodium tripolyphosphate as an auxiliary agent of non-toxic detergent; It is also used in brewing, injection, photography and electroplating.

Lemon juice contains a lot of citric acid, which can combine with calcium ions to form soluble complexes, which can reduce the role of calcium ions in promoting blood coagulation and prevent and treat hypertension and myocardial infarction. So it can play an anticoagulant role.

When taking fresh blood in clinic, it is necessary to add some sterilized sodium citrate or sodium oxalate to prevent blood coagulation, so sodium citrate and sodium oxalate are called anticoagulants.

Store in a dark, sealed, dry and cool place.

Quality standards BP93, BP98, E33 1, USP24, enterprise standards.