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Yellow top tube is used for collecting blood for blood culture (SPS) tests. It is sterile.
It needs to be 100% full as the light blue tube.
anticoagulant
anticoagulant
Red top evacuated tube
collecting gas
A gas-collecting tube is made of glass and has a cylinder shape with a valve at one end of the cylinder. Most gas-collecting containers have a gauged volume on them. They are used in science for the purpose of taking samples of a gas.
A lavender tube typically contains an additive called EDTA and is used for collecting whole blood for hematological testing, such as complete blood count (CBC), blood typing, and blood cell morphology examination. It is commonly used for tests that require anticoagulated whole blood samples.
A gas-collecting tube is made of glass and has a cylinder shape with a valve at one end of the cylinder. Most gas-collecting containers have a gauged volume on them. They are used in science for the purpose of taking samples of a gas.
sodium fluoride
It is captured in an upside down test tube or a gas collecting tube.
The color of the cap is based on what tests will be performed on the blood. Whole blood is collected and serum can be extracted from a tube that has a clot activator. Cap color is typically RED however there are other cap colors used if a different or quickly activated clot chemistry is used.