Laboratory News 03 Jan 2022 Chemical companies are entering a new stage of high-quality development With the transformation and relocation of hazardous chemical companies entering a critical period this year, the process of retreating from… Longchang Chemical No Comments
Laboratory News 15 Dec 2021 Can the reagents that have been stored for a long time be used? How to determine the expiry date of the reagent The effective date of the reagent is an important factor that… Longchang Chemical No Comments
Laboratory News 09 Dec 2021 How to store laboratory chemical reagents? How to store laboratory chemical reagents? Chemical reagents must be stored properly, because the quality of the reagents directly affects… Longchang Chemical No Comments
Laboratory News 08 Dec 2021 There is a risk of explosion when m-CPBA and DMF react together DMF is one of the most widely used solvents in organic synthesis, and is also known as a universal solvent.… Longchang Chemical No Comments
Laboratory News 06 Dec 2021 In the organic synthesis experiment, how many tricks have you done for the common mistakes of the newcomers? When climbing the board, forget to take out the TLC board until the solvent climbs to the top.Forgot to weigh… Longchang Chemical No Comments
Laboratory News 02 Dec 2021 Which of the four realms of scientific research do you belong to? There are four realms in life: natural realm, utilitarian realm, moral realm, heaven and earth realm. The following is Mr.… Longchang Chemical No Comments
Laboratory News 01 Dec 2021 How do chemical plants prevent freezing and condensation in winter? Winter anti-freezing and anti-condensation work in chemical factory is the main means to ensure safe production. In order to prevent… Longchang Chemical No Comments
Laboratory News 02 Nov 2021 How should the waste liquid of the laboratory be handled? 1) Definition of waste liquid: Drugs with expired shelf life, high-concentration solutions, standard solutions and improperly configured solutions that were… Longchang Chemical No Comments
Laboratory News 20 Jan 2021 How to deal with poisoning in the experiment? What are the appropriate first aid measures if an accident occurs accidentally during the experiment? 1. Glass cuts and other… Longchang Chemical No Comments
Laboratory News 14 Sep 2020 Analytical Instruments purchased by Longchang Chemical Laboratory(2) 1. NMR English name: Nuclear Magnetic Resonance SpectroscopyModel: ARX400Manufacturer: BrukerOrigin: Switzerland Technical indicators: resolution: H, C are less than or… Longchang Chemical No Comments