The design of plastic bottles for pharmaceutical packaging needs to consider many aspects, and it is often reported that children ingested medicines by mistake. Because children are immature in behavior and cognition, they are full of curiosity about things. When adults are not paying attention, the... read more
1. Operation: Operation of the acid burette: control the piston with the left hand, bend the ring finger and the little finger in the palm, gently press against the outlet tube, the thumb is in front, the index finger and middle finger are behind, the fingers are slightly bent, and the piston is gen... read more
Burettes are volumetric instruments designed to dispense an indeterminate amount of liquid. 1. Classification: Acid burette (holding acidic, neutral, oxidizing solutions), basic burette (holding lye) 2. Use: washing, oiling, leak testing, rinsing, liquid filling, exhausting Washing: For burettes wit... read more
It is mainly used to prepare solutions of accurate concentration. Before using a volumetric flask, check: whether the volume of the volumetric flask is consistent with the required volume; if preparing a solution of substances that are easily decomposed by light, a brown volumetric flask should be s... read more
1. Classification: Single reticle pipette (also known as belly pipette), indexing pipette (incomplete flow type, complete flow type, blow-out type) 2. A single reticle pipette is used to accurately pipette a certain volume of solution The marking part of the single-marked pipette has a small diamete... read more