Principles and
章节目录
共 71 题- VOLUME II.
- FERTILIZERS.
- PREFACE TO VOLUME SECOND.
- TABLE OF CONTENTS OF VOLUME SECOND.
- PART THIRD.
- PART FOURTH.
- ILLUSTRATIONS TO VOLUME SECOND.
- VOLUME SECOND.
- EXAMINATION OF FERTILIZING MATERIALS, FERTILIZERS, AND MANURES.
- PART FIRST.
- PRELIMINARY TREATMENT AND PHOSPHATES.
- GENERAL ANALYTICAL PROCESSES.
- APPARATUS FOR CRUSHING MINERAL FERTILIZERS.]
- PLATE GRINDER FOR MINERALS.]
- 4 CaH₄(PO₄)₂ = Ca₂P₂O₇ + Ca(PO₃)₂ + CaH₂P₂O₇ + 2 H₃PO₄ + 4 H₂O.
- COMPLETE ANALYSIS OF MINERAL PHOSPHATES.
- GENERAL METHODS FOR ESTIMATING PHOSPHORIC ACID IN FERTILIZERS.
- 3. _Ten per cent ammonia_ of 0.959 specific gravity.
- CORRECTION FOR PHOSPHORIC ACID DETERMINATION.
- THE CITRATE METHOD.
- SHAKING APPARATUS FOR SUPERPHOSPHATES.]
- SHAKING MACHINE FOR AMMONIUM MAGNESIUM PHOSPHATE.]
- RÖSSLER IGNITION FURNACE.]
- BASIC PHOSPHATIC SLAGS.
- WAGNER’S DIGESTION APPARATUS FOR SLAGS.]
- VOLUMETRIC DETERMINATION OF PHOSPHORIC ACID.
- URANIUM METHOD AS PRACTICED BY THE FRENCH CHEMISTS.
- JONES’ REDUCTION TUBE.]
- TECHNICAL DETERMINATION OF PHOSPHORIC ACID.
- MISCELLANEOUS NOTES ON PHOSPHATES AND PHOSPHATIC FERTILIZERS.
- INFLUENCE OF THE TIME OF DIGESTION.
- INFLUENCE OF TEMPERATURE.
- INFLUENCE OF QUANTITY OF MATERIAL USED.
- Material. Authority. Time (A) (B) (C) (D) (E)
- AMMONIUM CITRATE SOLUTION ON PHOSPHATES.
- CHEMISTRY OF THE MANUFACTURE OF SUPERPHOSPHATES.
- 2MgHP₄ + H₂SO₄ + 2H₂O = [MgH₄(PO₄)₂·2H₂O] + MgSO₄
- ONE PART BY WEIGHT OF EACH SUBSTANCE BELOW REQUIRES:
- SULFURIC ACID BY SAME UNIT OF WEIGHT.
- AUTHORITIES CITED IN PART FIRST.
- PART SECOND.
- NITROGEN IN FERTILIZERS.
- SOURCES OF NITROGENOUS FERTILIZERS.
- METHODS OF ANALYSIS.
- MERCURY PUMP AND AZOTOMETER.]
- THE MOIST COMBUSTION PROCESS.
- 3. Mercury:
- 4. Paraffin in small pieces:
- 6. Pieces of previously ignited pumice stone or of granulated zinc:
- 7. Neutral solution of rosolic acid or litmus.
- Then 94 - 10.5 = 83.5
- 2. _Zinc_, carefully washed and thoroughly dried:
- 2KHSO₄ = K₂SO₄ + H₂O + SO₃.
- DETERMINATION OF NITROGEN IN DEFINITE FORMS OF COMBINATION.
- SODIUM NITRATE.
- AUTHORITIES CITED IN PART SECOND.
- PART THIRD.
- POTASH IN FERTILIZING MATERIALS AND FERTILIZERS.
- ORGANIC SOURCES OF POTASH.
- POUNDS OF THE INGREDIENTS NAMED IN TEN THOUSAND POUNDS OF WOOD.
- POTASH IN MINERAL DEPOSITS.
- Equivalent to
- METHODS OF ANALYSIS.
- 1. A dilute solution of barium chlorid:
- 3. Alcohol of eighty per cent strength by the volume:
- THE ESTIMATION OF POTASH AS PERCHLORATE.
- AUTHORITIES CITED IN PART THIRD.
- PART FOURTH.
- MISCELLANEOUS FERTILIZERS.
- AUTHORITIES CITED IN PART FOURTH.
- INDEX.