DIN EN 1137:1994-12 Fruit and vegetable juices - Enzymatic determination of citric acid (citrate) content; NADH spectrometric method; German version EN 1137:1994
1994DIN EN 1137:1994-12 Fruit and vegetable juices - Enzymatic determination of citric acid (citrate) content; NADH spectrometric method; German version EN 1137:1994
1994DIN EN 1137:1994 Fruit and vegetable juices - Enzymatic determination of citric acid (citrate) content; NADH spectrometric method; German version EN 1137:1994