Acetolysis
Erdtman's 1934 extraction method. The sample is treated with a 9:1 mixture of acetic anhydride and concentrated sulphuric acid, which dissolves cellulose and protoplasm and leaves only the sporopollenin exine for microscopy.
Erdtman's 1934 extraction method. The sample is treated with a 9:1 mixture of acetic anhydride and concentrated sulphuric acid, which dissolves cellulose and protoplasm and leaves only the sporopollenin exine for microscopy.
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