| 1. | Development of any new colorimetric method should involve such a test procedure .
任何新的比色法的改进应该包括这样一种试验程序。 |
| 2. | The colorimetric methods involve the bleaching of a preformed color by the fluoride ion .
比色法涉及氟离子对预先形成的颜色的消色作用。 |
| 3. | Fluorometric method and colorimetric method 2 . 4 - dinitrophenylhydrazine
二硝基苯肼法 |
| 4. | Colorimetric methods for colour building materials
彩色建筑材料色度测量方法 |
| 5. | Determination of trace oxygen in the gases - colorimetric method
气体中微量氧的测定比色法 |
| 6. | Water quality - determination of ammonium - nessler ' s reagent colorimetric method
纳氏试剂比色法 |
| 7. | Carbonaceous materials . determination of vanadium content . colorimetric method
碳素材料钒的比色测定 |
| 8. | Method for determination of starch in food - enzyme - colorimetric method
食品中淀粉的测定方法酶-比色法 |
| 9. | Method for determination of sucrose in food - enzyme - colorimetric method
食品中蔗糖的测定方法酶-比色法 |
| 10. | Workplace air - determination of hydrogen sulfide - colorimetric method
车间空气中硫化氢的硝酸银比色测定方法 |
