PRINCIPLES OF SUGAR TECHNOLOGY, VOLUME I:properties of sugars and nonsugars the purification of juice - 324rn10. Aluminum: 327rn11. Chloride : 329rn12. Sulphur 330rna. Sulphate 330rnb. Organic sulphur 331rnc. Presence of sulphide 331rnd. Sulphite : 331rne. Effect of sulphate 333rn13. Silicic acid : 335rn14. Phosphates 340rna. Phosphoric acid 340rnb. PO (ELSEVIER PUBL. COMPANY, 1953)