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Chinese medicine moisture determination method (1)

 Last Update: 2022-06-30
 Source: Internet
 Author: User

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The water content of medicinal materials refers to the percentage of water lost after the medicinal materials are dried under specified conditions

The test product used for moisture determination is generally broken into particles or fragments with a diameter of no more than 3mm; flowers, seeds and fruits with a diameter of less than 3mm may not be broken; the vacuum drying method needs to pass the No.

(1) Brief description

(2) Operation method

(3) Matters needing attention

(4) Calculation

In the formula, W ₁ is the weight of the test product (g); W ₂ is the constant weight of the weighing bottle (g); W ₃ is the weight (weighing bottle + test product) weighed to a constant weight (g) )

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