Release time:

step 1

 

Weigh out 98% water according to mass fraction, pour into 1% chitosan powder and stir evenly;

 

step 2

 

1. Add glacial acetic acid liquid drop by drop while stirring, keep stirring for 5-10 minutes, then let it stand for 1 hour;

 

step 3

 

1% chitosan solution was obtained after standing

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