Gray top tube
Guessing you're asking about color coded vacutainers, since otherwise I can't make any sense of the question. Light blue is usually the color code for a tube with sodium citrate.
It is because sodium reacts with water (present in test tube or porcelain basin) to give a alkaline solution of NaOH.
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its tube light only. Since the Hindi language doesnt have any specific word for it.
The solution will turn violet, you can try this by adding 20 drops of hydroxide solution into a test tube with egg albumin and shaking it carefully.
sodium fluoride
sodium fluoride
From the BD web siteWhat is the glycolytic inhibitor in the gray top tube?Sodium fluoride acts as the glycolytic inhibitor and prevents the cells in the blood from utilizing the glucose.
potassium oxalate and sodium fluoride
red top is plain tube, for clotted blood. purple top is edta tube, for blood cytology. grey top tube contain sodium flouride anti coagulant for blood sugar. green top tube contains heparin require for cd4, cd8, etc. sky blue top tubes contain sodium citrate 3.2% for bleeding disorder tests such as pti etc.
A complete blood count (CBC) is drawn in a lavender-top tube.
Yellow
green tube
blue top
The count will be artificially low
magnesium
elevated glucose value