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Ten common mistakes in the use of liquid mobile phases!
The mobile phase is equivalent to the liquid phase of blood , and there are various things to pay attention to during use. Among them, there are some “pitfalls” that must be paid attention to. 01. Measure the pH of the mobile phase after adding organic solvent If you mea...Read more -
Common bad habits in the laboratory, how many do you have ?
Bad habits during the experiment 1. When weighing or measuring samples, record the data on a scratch paper first, and then copy it into the notebook after the sample is done; sometimes the records are filled in uniformly after the experiment is completed; 2. For steps that require t...Read more -
The 17 most toxic laboratory reagents, don’t be careless!
DMSO DMSO is dimethyl sulfoxide, which has a wide range of uses. It is used as a solvent for acetylene, aromatic hydrocarbons, sulfur dioxide and other gases, as well as a solvent for acrylic fiber spinning. It is an extremely important non-protonic polar solvent that is soluble in both wa...Read more -
Precautions for injection needles – Liquid phase
\1. When using a manual injector for injection, the injection syringe must be cleaned with a needle wash solution before and after injection. The needle wash solution is generally selected to be the same solvent as the sample solution. The injection syringe must be cleaned with the sample solutio...Read more -
The influence of capillaries on HPLC separation
If the HPLC system uses an inappropriate connection method or incorrect capillary application, it may lead to poor peak broadening, and the optimal separation efficiency of the chromatographic column is out of the question. It may even happen that the thinner the column used, the greater the broa...Read more -
Precautions and common misuses when using the Cap crimper
In the laboratory, using the Cap crimper is a very common operation, but if it is not used correctly, it may cause experimental failure or accidents. The following introduces the precautions and common misuses when using the Cap crimper. 1. Precautions when using the Cap crimper: (1) Choose the r...Read more -
Guide to using culture dishes
A culture dish is a glass or plastic round vessel used to hold liquid culture medium or solid agar culture medium for cell culture. The culture dish consists of a bottom and a cover. It is a chemical device used to culture bacteria. The main material is glass or plastic. The texture of the cultur...Read more -
Have you chosen the right sample vial? Just read this article.
For chemical experiments, all results are phased, which involves sample storage and sampling issues; and how to choose the right sample vial based on the properties of your own samples, better avoid experimental errors, and save costs. Sample vials include injection vials, headspace vials, storag...Read more -
Use and maintenance of micro-injector
The micro-injector mainly provides liquid injection support for gas chromatographs and liquid chromatographs. It is an important part of the experimental process. It is particularly suitable for gas chromatographs and liquid chromatographs for liquid analysis. It is an indispensable precision ins...Read more -
Principle and Use of Solid Phase Extraction (SPE)
Solid phase extraction (SPE) is a sample preparation technique that uses a solid adsorbent, usually in a cartridge or 96-well plate, to adsorb specific substances in a solution. Solid phase extraction is used to separate substances in a sample or to clean up a sample before analysis. When a sampl...Read more -
How to choose a syringe filter
The main purpose of syringe filters is to filter liquids and remove particles, sediments, microorganisms, etc. They are widely used in biology, chemistry, environmental science, medicine and pharmaceuticals. This filter is widely welcomed for its excellent filtering effect, convenience and effici...Read more -
Product Selection Guide | How to choose a suitable centrifuge tube?
Centrifugation technology is mainly used for the separation and preparation of various biological samples. As an indispensable consumable for centrifugation experiments, centrifuge tubes have different quality and performance, and the differences are also very large. So what factors should we pay...Read more