LITERATURE OF THE TANNINS. 
149 
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Zur Gerbstotfbestimmung. Yon Edwin Johanson. 
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Beitrage zur Kenntniss des Catechins. Yon C. Etti. 
Monatshefte, 2 , 547. 
Sur le dosage du tannin. Par A. Remont. Jour. 
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On the Estimation of Tannic Acid in Tanning Ma¬ 
terials. By Nelson H. Darton. Jour. Am. Chem. Soc., 
4 , 4. 
On the Comparative Yalue of the Several Methods 
of Determining Tannic Acid. By Nelson H. Darton. 
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Studio chimico della Persea lingue e del suo tannino. 
Di Dr. Pietro N. Arata. Gazz. di Chim., 11 , 245. From 
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1882. 
New Commercial Plants and Drugs—No. 5. Tan¬ 
ning Materials. By Thomas Christy. Published by 
Christy and Co., London, 1882. 
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