Glass dropper bottle rubber cap aging, should be replaced in a timely manner

In the production process of glass drip bottle, not only should the pharmaceutical low borosilicate transparent glass tube within the tolerance range of industry regulations, but also to achieve the requirements of no burr, no bubble, no mold spot. Glass glass drip bottle manufacturers strictly control the size and shape of the glass glass drip bottle during the production process, and clean and pack the glass glass drip bottle after the production is completed.

 

 

1. Different classification

Glass dropper bottle: divided into fat belly glass dropper bottle and common glass dropper bottle. It consists of a rubber nipple and a pointed glass tube.

Rubber-tipped glass dropper bottle: there are several forms of straight, straight with cushion ball and curved with cushion ball. The specifications of the plastic-tipped glass drip bottle are indicated by the length of the tube, commonly used are 90mm and 100mm. Plastic-tipped glass dropper bottle 0.05ml per drop.

2. Different uses

Glass dropper bottle: aspirate or add a small amount of reagent, aspirate the supernatant to separate the precipitate.

Plastic-headed glass dropper bottle: used to absorb or drop in a small amount of liquid reagents instrument.

3. Use different ways

Glass dropper bottle: When dropping the bottle, the glass dropper bottle should be kept perpendicular to the top of the container, avoid tilting, do not stand upside down, do not reach into the container, do not touch the container wall. In addition to absorbing the solution, the tip of the tube should not touch other instruments to avoid contamination of impurities. Not a pair of two.

Ordinary glass dropper bottles need to be cleaned after use, while special glass dropper bottles cannot be cleaned and need special tubes. Put them back into the original reagent bottle after use.

When using, don't just pinch with your thumb and index finger, use your middle finger and ring finger in the middle.

Gel-tipped glass dropper bottles: The grip is to hold the glass part with the middle and ring fingers to keep it stable, and squeeze the gel-tip with the thumb and index finger to control the amount of reagent inhaled or dripped. 2) When adding liquid to a plastic dropper bottle, you should not put your hand inside the container or touch it. It should be hung vertically 0.5 cm above the container.

It should not be placed upside down or flat on the table. It should be inserted into a clean bottle or test tube.

Wash with water immediately after use. It is strictly forbidden to aspirate another reagent without washing. The glass dropper bottle on which the dropper bottle is placed does not need to be washed.

The rubber cap should be tightly bonded to the glass dropper bottle and not leak. If the rubber cap is aging, it should be replaced in time.

When using a plastic-tipped glass dropper bottle to drip toxic or corrosive liquids into a test tube, allow the tip of the glass dropper bottle to touch the inner wall of the test tube.

Plastic-tipped glass dropper bottles are often used in conjunction with measuring cylinders