Gray top tube
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Sodium fluoride is typically found in gray-top blood collection tubes, which are used for glucose testing because sodium fluoride acts as a glycolysis inhibitor to preserve the specimen for accurate glucose measurements.
The tube color that typically contains sodium citrate is light blue. This additive is used as an anticoagulant in blood collection tubes to prevent clotting.
A green-top tube is typically used for a blood chloride test, as this tube contains heparin as an anticoagulant, which is suitable for analyzing electrolytes like chloride. It is important to consult the specific lab's requirements for the appropriate tube color and collection method.
No, sodium fluoride is not a byproduct of aluminum. Sodium fluoride is a chemical compound that is commonly used in toothpaste and water fluoridation programs to prevent tooth decay. Aluminum production can generate fluoride-containing waste, but sodium fluoride is typically produced separately through a reaction between sodium hydroxide and hydrofluoric acid.
When sodium chloride is mixed with sodium hydroxide, a chemical reaction takes place to form sodium chloride and water. This reaction is a simple double displacement reaction where the cations and anions switch partners to form new compounds.
Sodium hydroxide, commonly used in sodium extraction processes, is a strong base that contributes to the alkaline nature of the extract. When sodium hydroxide dissociates in water, it releases hydroxide ions which increase the pH of the solution, making it alkaline.