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Add 10 mL of mixed acid, cover the lid to stand for 1 h or overnight and then place on the adjustable temperature control electric hot plate or electric heating furnace for digestion....
Therefore in the present paper authors have used a nonsinusoidal voltage excited (NSVE) L-S simulation method developed by them [15–20] to investigate both the static (DC) and L-S characteristics...
As with all Invitrogen UltraPure™ reagents, these products are made from the highest purity biochemicals for maximum reliability and superior performance....
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