You must be familiar with the distillation bottle. It is a glass container for liquid distillation or fractionation. It is often used with a condenser, a liquid pipe, or a liquid adapter. It can also be equipped with a gas generator. Precautions for use of the distillation flask. Asbestos mesh should be placed when heating,

In the analysis work, washing glassware is not only preparatory work before the experiment but also technical work. The cleanliness of laboratory glassware directly affects the experimental results and even determines the success or failure of the experiment. Because the utensils are not clean or contaminated, they often cause large experimental errors, and even the

First, the mistakes in the washing of glass glassware 1. Cleaning of glassware is the first step in the inspection work. In practice, many people often neglect to clean the glassware used immediately before and after the inspection, or to clean the appliance. As a result, the inner wall of the appliance is heavily hung

Laboratory operation precautions 1. It is forbidden to eat and drink in the laboratory. Someone once ate something while watching the microscope and drank the reagents nearby. Although it was urgent to wash the stomach, it was inevitably disabled. It is also forbidden to use the reagents in the laboratory as “foods and additives”, such

First, what is the effect of bubbles in the burette to the test results? 1. If there is a bubble at the beginning, it is equivalent to displaying more liquid than the actual one (because the gas is supported), so the volume of the final titration solution is too large, and the concentration of the

The volumetric flask is a common consumable. How to judge whether the purchased volumetric flask is qualified? Let’s give a simple form to everyone so that everyone can easily judge whether the glass container is qualified. You can fill the container with water and check with the balance. The standard capacity of the capacity bottle

Washing liquid, referred to as detergent or lotion, is often used for glassware that is not easy to brush with brushes, such as burettes, pipettes, volumetric flasks, retorts, etc. It is also used for washing crapware that has not been used for a long time and fouling that the brush can not clean. The principle

A burette is an essential volumetric glassware in laboratories, designed for precise titration and liquid measurement, ensuring accuracy in chemical experiments. Key Takeaways: What is a laboratory burette？ A Laboratory Burette is a volumetric glassware used to accurately deliver an indeterminate amount of liquid. It is made of a slender and uniform glass tube with

1、There are three conditions in total. (1) Analytical balances with accurate weighing substances and vessels measuring solution volume (2) Standard solutions capable of titration (3) Indicators for accurately determining the theoretical endpoint. There are four categories, acid-base titration, complexometric titration, redox titration, and precipitation titration. The acid-base titration method is a titration analysis method based on

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