I didn't even get ten aliquots out of my unit pipetting 35% wt/wt nitric acid before it jammed and failed. Needless to say my boss was unhappy. We'll steer clear of this shoddy product. The t-handle has a threaded barrel which failed almost immediately. I wonder if it was threaded to the wrong diameter or of just very soft plastic, because my son's Junior HS shop can produce a higher quality product than that. I tried to rescue it but the barrel is all stripped out. Pure garbage.
Pros: great concept
Cons: junky construction...
Would recommend: No
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