Excerpt from The Hydration of Normal Sodium Pyrophosphate, to Orthophosphate in Varying Concentrations, of Hydrogen Ion at Forty-Five Degrees, Centigrade
Thermostat: A Freas sensitive thermostat was used to maintain a constant temperature for the entire work of hydra tion and hydrogen ion concentration measurement. By it a constant temperature of 45° C. I 01 was secured.
Potentiometer: Measurements for the determination of the concentration of hydrogen ion were made with a Leeds and Northrup direct-reading potentiometer of low resistance.
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HRD. Condizione: New. New Book. Shipped from UK. Established seller since 2000. Codice articolo LX-9780265167618
Quantità: 15 disponibili