| 1. | Ascharite ores - methods of sampling and preparing sample
硼镁矿石采样与样品制备方法 |
| 2. | Ascharite ores - determination of loss on ignition - gravimetric method
硼镁矿石中灼烧失量的测定重量法 |
| 3. | Ascharite ores - determination of boric anhydride content - volumetric method
硼镁矿石中三氧化二硼含量的测定容量法 |
| 4. | Ascharite ores - determination of acid insoluble matter content - gravimetric method
硼镁矿石中酸不溶物含量的测定重量法 |
| 5. | Ascharite ores - determination of calcium and magnesium oxides content - volumetric method
硼镁矿石中氧化钙和氧化镁含量的测定容量法 |
| 6. | Ascharite ores - determination of total iron content - potassium dichromate volumetric method
硼镁矿石中全铁含量的测定重铬酸钾容量法 |
| 7. | Ascharite ores - determination of ferrous oxide content - potassium dichromate volumetric method
硼镁矿石中氧化亚铁含量的测定重铬酸钾容量法 |
