Question

一.单选题(共20题,共40分)
3.the translucent surface of the spectrophotometer cuvette can be wiped with (). (2分)
oa.gauze
ob.brush
oc.lens paper
od.filter paper

Explanation:

Lens paper is soft and will not scratch the translucent surface of the spectrophotometer cuvette. Gauze may have fibers that could leave residues or cause scratches. A brush might be too abrasive. Filter paper is not as suitable as lens paper for cleaning the delicate surface of the cuvette.

Answer:

C. Lens paper