Hazelnut. Proximate analyses and calorific value according to ASTM standards. Extractives according to ASTM D 1105, lignin Van Soest, alpha cellulose (22.9%) TAPPI T203 om-88. Holocellulose 38.6%. Ash type: 600°C according to ASTM E 1755. Ash melting according to DIN 51730. Ash contains 1.59% ZnO and 0.29% SnO.