A reference substance is a substance or material that has been determined to have one or more sufficiently uniform characteristic values, and is used as a "measuring tool" in the analytical measurement industry to calibrate measuring instruments and devices, evaluate measurement analysis methods, measure the characteristic values of substances or materials, and assess the operational skills of analysts. As well as in the production process of product quality control and other fields play an indispensable role.

Recently, the weather is getting colder and colder, and some people may find that some standard substances have been frozen when they receive the goods, and they do not know how to dissolve them. Today, Bolinda Xiaobian will teach you how to dissolve frozen standard substances.

First of all, after receiving the product, open the inspection, if you find freezing phenomenon, check the packaging bottle for damage. If it is damaged, it cannot be used, please contact our customer service staff immediately; If the package is intact, you can choose the following ways to dissolve:

1. Dissolve in the incubator;

2. Dissolve at room temperature;

Third, choose a water bath to dissolve.

The following takes the water bath pot as an example to explain the dissolution method in detail:

First, open the water bath, adjust the temperature of the water bath at 20±2℃, put the standard material that is not damaged in the outer package in the water bath, the liquid level in the water bath is higher than the liquid level in the packaging bottle, and the liquid in the packaging bottle is completely dissolved, and at least 30 minutes of constant temperature, you can use normally.

The above content is the introduction of how to thaw the freezing of standard substances. Bolinda has focused on the research and development and production of standard substances for 20 years, and has provided standard substances, standard products, standard solutions, reference products, standard samples, titration standard solution, single standard and mixed standard customization services.