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Probe domestic double-head probe 038-BB-5.7L The shape of the two ends of the needle is outside the pointed needle
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SMD aluminum electrolytic capacitor
As we all know, the culture medium must be sterilized. Before purchasing it, I began to check a lot of related storage, requirements and so on. However, there are still many experimental novices who do not know that the requirements and rules of the medium before and after sterilization are different. Today, Shanghai Jinma will explain the different requirements and rules before and after sterilization of the medium: 1. Goods The storage should be stored according to the requirements in the instruction manual. The label should be marked with the batch number, date of manufacture, expiration date and related characteristics. The preservation and transport conditions used shall be such that moisture is minimally lost and mechanical protection is provided. 2. After preparation, it should be stored in an environment protected from light at 2 to 25 °C. If stored in a non-closed container, it is generally used within three weeks; if stored in a closed container, it is generally used within one year, and the agar medium should not be stored at 0 ° C or below 0 ° C to prevent freezing damage to gel properties. For long-term storage, the agar plates should be sealed or placed in a closed container to prevent moisture loss. 3. Store in a closed container to prevent moisture loss and prolong storage time. ★ 4, should be taken out immediately after sterilization, not stored in high pressure bacteria, to avoid affecting quality. After preparation, it should be stored at 2 ~ 25 ° C, protected from light. 5. The remelting after solid medium sterilization should be carried out in a heated water bath or using circulating steam. It is allowed only once. After melting, it should be placed in a water bath of 45-50 °C, no more than 8 hours. If you have any questions about the above media, you can call Shanghai Jinma. Our company cooperates with many famous laboratories at home and abroad. Each technician has superb testing skills and has many years of experience. Experts from overseas study experience provide technical guidance to improve the reliability of test data.
