Glucose Tube 

Contains dispensed sodium fluoride/sodium EDTA or sodium fluoride/potassium oxalate at the tube bottom. Glucose tube as glycol sis in inhibitors is to preserving glucose when combined with an anticoagulation such as sodium EDTA or potassium oxalate. Sodium fluoride is effective in preserving glucose for up to 48 hours. Used for collecting blood specimen and anticoagulation for analysis such as blood sugar, sugar water, sugar tolerance, lactic acid and anti-alkali hemoglobin.