The specimen bottle or specimen jar is a cylindrical or rectangular, square glass jar, the edge of the jar is ground flat and is equipped with a thick flat glass cover of suitable size. In order to prevent the movement of the cover, it plays a sealing role.

The main body of the bottle is a cylindrical glass cylinder, and the mouth has a thick edge to increase the mechanical strength. The bottom of the barrel has a wide side, which is used for stable placement. There is a glass hook in the center of the inner wall of the cover, which is used to hang and fix the specimen. The bottle body and the bottle cap are run-ins with a frosted mouth, mainly to prevent the volatilization of the preservatives soaking the specimen in the bottle or the intrusion of foreign dust.

Specimen bottles and specimen tanks are used for collecting and preserving animal and plant specimens. It is suitable for the preservation, sample display, and teaching practice of various animal and plant specimens (such as fish, various tissues and organs in the human body, animal embryos, plants, insects, etc.) Tools for viewing teaching.

The specific usage is as follows:

Select appropriate specimen bottles (or jars) according to the shape, size, or length of the collected specimens, because specimen bottles (jars) are designed with a variety of specifications to accommodate the diversity of specimen shapes. Specimen bottles have more than 90 specifications, and specimen cylinders have more than 60 specifications. They are the two types of glass instruments with the largest specifications. Therefore, suitable specifications must be selected for the use of specimen bottles (cylinders).

When using, wash the specimen bottle (or cylinder), and put the specimen into the bottle. In order to keep the specimen in its original shape, it should be fixed at the beginning of the specimen production, or the specimen should be fixed on a glass sheet in advance (such as a small specimen). Or when the color of the specimen itself is too light to see clearly, the specimen can be attached to the colored glass sheet with the affixed agent, but it must wait for the affixed agent to dry before putting it into the bottle), and hung on the hook of the specimen bottle. . Pour the prepared preservative solution into the bottle until the specimen is completely submerged or exceeds the specimen, then close the cap tightly, and seal the edge of the cap with paraffin, gypsum, varnish and other materials for preservation. If a specimen cylinder is to be used, the cylinder and the cover should be tied and fixed with wax thread before sealing and then closed.

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