serum tubes
iron ring is a laboratory equipment that is used in holding the test tubes in place while heating.
Europium
Green
Iron (Except Iron isn't a mineral. Iron is an element. The MINERAL and principal ore from which Iron is taken is GALENA.)
what results are used for green tubes
The tubes used for fasting glucose is the SST tubes. The tubes are clear in color. The stoppers for the tubes are gold and red gray in color. The tubes contain a gel inside for separating the blood.
serum tubes
The lavender and green tubes
iron ring is a laboratory equipment that is used in holding the test tubes in place while heating.
sst You would use the plan red top tube or serum obtaining tubes. Those could be red or red/gold an so on.
Europium
green
lavender top tube
Greener
Non additive red tube
blurple