It depends on the type of tree. maple sap has too much water, but as it is boiled into maple syrup it can burn. Pine trees however, produce a pitch that is quite flammable. Evergreens are the ones that end to be more flammable. Sap is the fluid transported in xylem cells (tracheids or vessel elements) or phloem sieve tube elements of a plant.
Place the calibration tool on the hex adjustingnut and rotate until the thermometer dial reads32 Â°F (while in ice water). 9. Some digital stemmed (thermistors) andthermocouples have a reset button, whichshould be pushed.10. Repeat process with each thermometer.
If you do not know your elevation, it is best to check the accuracy of your thermometers using the ice-point method.) 1. Boil clean tap water in a deep pot. 2. Put the thermometer stem or probe into the boiling water so the sensing area is completely submerged. 3. Wait 30 seconds or until the indicator stops moving. 4. If the temperature is at 212 o F (100 o C) then remove the thermometer. It is ready for use.