why we use only vanilline , acetanilide,& caffeine For the
Calibration of melting point appartus?
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Answer Posted / siri
These chemicals are very stable and covers
range between 0-300°c .Easily available in market .
vanilline - 81°C to 83°C
Acetanilide - 114°C to 116°C
Phenacetin - 134°C to 136°C
Sulfanilamide - 164.5°C to 166.5°C
Sulfapyridine - 191°C to 193°C
Caffeine - 234°C to 237°C
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