| 1. | Natural mineral phosphates . dissolving of the total phosphoric anhydride
天然矿物磷酸盐.磷酸酐的全部溶解 |
| 2. | Fertilizers . blast furnace slag . extraction of phosphoric anhydride soluble in citric acid reagent
肥料.高炉炉渣.从柠檬酸试剂中萃取溶解的磷酸酐 |
| 3. | Fertilizers , ground natural mineral phosphates . extraction of phosphoric anhydride soluble in formic acid reagent
肥料.粉状天然矿物磷酸盐，溶于甲酸试剂的磷酸酐的提取 |
| 4. | Natural mineral phosphates and fertilizers . spectrophotometric determination of phosphoric anhydride molybdenum blue method
天然矿物磷酸盐和肥料.磷酸酐含量的分光光度法测定 |
| 5. | Natural mineral phosphates and fertilizers . spectrophotometric determination of phosphoric anhydride vanado - molybdenum method
天然矿物磷酸盐和肥料.磷酸酐含量的分光光度法测定 |
| 6. | Products used in agriculture . natural mineral phosphates and fertilizers . quantity determination of different forms of phosphoric anhydride . general presentation
农用产品.天然矿物磷酸盐和肥料.不同形式磷酸酐的定量测定 |
