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Cas Number: 10102-40-6
this thermometer is durable and reliable for long-term use in brewing beer and making wine
Active ingredients: 100g Tryptone Bacteriological Grade
Wide Range of Applications: Phenolphthalein Indicator is commonly used in acid-base titrations
Tunning Forks on Resonance Box Cas Number: 10102-40-6High quality physical experimental instrument, durable and practical. Two tuning forks of the same efficiency are made of the whole carbon steel. The edges and corners are neat and the surface is chrome plated, the frequency is 440 cycles per second. The tuning fork set is used to demonstrate the resonance of sound in school. Can be used as a general tuning fork of a variety of experiments, such as the sound of the occurrence, interference, sound
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