To check affect of different tempeatures on corrision rate of metal, I need to carried on the exeriment for 3 weeks. But...how can I keep them in same hot/cold temp for 3 weeks??
bro simply, keep them in the same place for one week, then the same next week, so on... after each week check the effect of the temperature on each of the sample metals
I will give an example,
week one, day 1: effect of cold temp on metal in the Fridge, then effect of hot temp on metal under the hot sun,so on... Day 2: ....
like this but enure to repeat for three more days:
i wish you the best bro. hope this help you...
Omed