| 1. | Nitrosoguanidine crystallizes when the solution is cooled to 0℃ . 当萃取液冷却至0时,亚硝基胍结晶析出。 |
| 2. | Vi soil quality - determination of chromium in phosphate extract 土质.磷酸盐萃取液中铬 |
| 3. | Determination of resistivity of the aqueous extract of pigments 颜料水萃取液电阻率的测定 |
| 4. | Plastics - phenolic resins - determination of electrical conductivity 酚醛树脂萃取液电导率的测定 |
| 5. | Preparation of lithium carbonate from brines by solvent extraction 利用盐湖卤水萃取液制备碳酸锂 |
| 6. | Determination of acidity or alkalinity of the aqueous extract of pigments 颜料水萃取液酸碱度的测定 |
| 7. | Determination of electric conductivity of aqueous extract from activated carbon 活性炭水萃取液电导率测定方法 |
| 8. | Standard test method for sequential batch extraction of waste with acidic extraction fluid 带酸性萃取液的废弃物顺序批量萃取的标准试验方法 |
| 9. | Plastics - homopolymer and copolymer resins of vinyl chloride - determination of ph of aqueous extract 塑料氯乙烯均聚和共聚树脂水萃取液ph值的测定 |
| 10. | Rubber compounding ingredients - carbon black - determination of light transmittance of toluene extract 橡胶配合剂.炭黑.甲苯萃取液透光率的测定 |