Equipment bottle test procedure

Procedure. Acetate buffer (450 p. ), DNA (100 /u.1), KI (100 /xl), and HjO (150 /Lil), are added to a 12 x 125 mm Pyrex glass test tube, which is then sealed with a 13 x 20 mm serum bottle stopper. All further additions and withdrawals are made through this stopper by means of hypodermic syringes equipped with a 25-gauge needle 5 ml of air are withdrawn, and... 

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