Identification: positive reaction

Chloride: ≤ 0.1%

Loss on drying: ≤ 7.0%

Heavy metal: ≤ 10ppm

Physicochemical properties (the following information is for reference only): white or almost white powder, insoluble in ethanol, very stable in neutral solution, hydrolyzed in case of strong acid and elevated temperature, and the end group can be oxidized in alkaline solution. Soluble in water. Odorless and tasteless. The solution can be sterilized by hot pressing at 100-115 ℃ for 30-45 min. Glucans are present in mucus secreted by certain microorganisms during their growth. It is mainly composed of d-gluconan α, 1 → key connection, and the branch chain points are connected by 1 - → 2, 1 → 3, 1 → 4. With the different types and growth conditions of microorganisms, their structures are also different

Purpose: This product is only for scientific research and shall not be used for other purposes. (the following purposes are for reference only) cell research, precipitation reaction, and isolation of leukocytes from whole blood. Immunological research. Permeability study. Determination of the occupied volume of inert colloids and the volume of biological cell wall.