Reagent bottle, semimicro

Wash bottles For most work in semimicro analysis a 30 or 60 ml glass stoppered bottle is a suitable container for distilled water the latter is handled with a reagent dropper. Alternatively, a bottle carrying its own dropper (Fig. II. 14a or b) may be used. A small conical flask (25 or 50 ml) may be used for hot water. For those who prefer wash bottles, various types are available (Fig. 11.19) a is a 100 or 250 ml flat-bottomed flask with a jet of 0-5-1 mm diameter, and is mouth-operated b is a hand-operated wash bottle (flask, 125 ml rubber bulb, 50 ml) c is a Pyrex 50 ml graduated wash bottle, and d is a polythene bottle, from which the wash solution can be obtained by squeezing. 

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