@lindajeon
attivo 4 anni, 9 mesi fa
Digital refractometer series
A refractometer is an instrument to measure the concentration of aqueous solution by measuring it鈥檚 refractive index. All water based solution can make light bend.thebending of light increases at a rate proportional to the increasing solution concentration. Digital refractometer is a precise optical instrument. It鈥 […] Vedi
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