were soaked in 3% HCl to separate m

were soaked in 3% HCl to separate minerals and baked at a temperature was 60 °C soaked in 5% NaOH to separate protein, soaked in 5% KMnO4 to separate pigment and fatty acid. Then, the pure chitin was soaked in 50% NaOH at 100 °C in order to separate acetyl group and adjust the pH neutral to chitosan.

เป็นเวลาหนึ่งคืน

Results (English) 1:

were soaked in 3% HCl to separate minerals and baked at a temperature was 60 °C soaked in 5% NaOH to separate protein, soaked in 5% KMnO4 to separate pigment and fatty acid. Then, the pure chitin was soaked in 50% NaOH at 100 °C in order to separate acetyl group and adjust the pH neutral to chitosan. For one night.

Results (English) 2:

were soaked in 3% HCl to separate minerals and baked at a temperature was 60 ° C soaked in 5% NaOH to separate protein, soaked in 5% KMnO4 to separate pigment and fatty acid. Then, the pure chitin was soaked in 50% NaOH. at 100 ° C in order to separate acetyl group and adjust the pH neutral to chitosan. for a night.