Rules for the use of chemical reagents
1 Those who do not understand the nature of the reagent should not use it.
2 Before use, identify the reagent name, concentration, purity level, manufacturer, brand, batch number, and whether it has expired. Reagents without bottle signatures or with unclear bottle signatures and expired reagents shall not be used.
3. Observe the abnormal conditions such as the shape, color, transparency, and precipitation of the reagent before use. Deteriorating reagents must not be used.
4 Use according to the amount used, and do not pour the remaining reagent back into the original reagent bottle.
5 Take care to protect the bottle label to avoid reagent contamination of the bottle label.
6. Do not open the mouth of the bottle for too long, so as to avoid dust and stolen goods falling into it.
7 Do not freeze and thaw the reagents that need to be stored in a freezer to avoid accelerating the deterioration of the reagents. It should be subpackaged and frozen according to the daily amount, and taken according to the amount.
8 Put back the low-boiling point reagent immediately after use to prevent the reagent from deteriorating when the temperature rises.
9 The reagents stored in the refrigerator should be neatly arranged and returned to the original place after use.
Post time: Aug-11-2022
