【Daily Question】2018.8.9
Thread Content
Multiple-choice question: When the 100% point of the spectrophotometer is unstable, which method is usually used to address this issue? A Check whether the phototube cartridge is damp; replace it with dry silica gel. B For instruments that are severely damp, use a hair dryer to blow hot air inside and outside the cartridge, allowing the moisture to gradually escape from it. C Replace the wavelength. D Replace the phototube. ABD
A Check whether the phototube cartridge is damp, and replace it with dry silica gel
A Check whether the phototube housing is damp; replace it with dry silica gel. B For instruments that are severely damp, use a hair dryer to blow hot air inside and outside the housing, so that the moisture can gradually escape from it. D Replace the phototube