Measure the rate of how the silica gel the moisture.
A: absorb (v.)
B: absorption (n.)
A: absorb (v.)
B: absorption (n.)
举一反三
- Which of the following silica gel as adsorbent in TLC, contains neither inorganic adhesive material(gypsum ustum) nor fluorescence indicator? A: Silica gel H B: Silica gel G C: Silica gel GF254 D: None of above
- silica gel A: 硅胶 B: % C: @
- You must insert …….bags inside cartons. A: carbon B: gel C: silica gel
- Which of the following is correct for TLC using silica gel as absorbent? A: Higher the absorption activity of absorbent. larger k and smaller Rf B: Higher the absorption activity of absorbent. larger k and larger Rf C: Stronger the polarity of solvent. larger k and smaller Rf D: Weaker the polarity of solvent. larger k an d larger Rf
- Which one is correct for description of TLC using silica gel as absorbent? A: Higher the absorption activity of absorbent. larger k and smaller Rf B: Higher the absorption activity of absorbent. larger k and larger Rf C: Stronger the polarity of solvent. larger k and smaller Rf D: Stronger the polarity of solvent. larger k and larger Rf