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I.D.: 79906339

Solutie buffer pH 2,00

Data publicarii
17.03.23 Exista 81.738 licitatii active asemanatoare. Inregistrati-va pentru a avea acces la acestea.
Coduri CPV
33696300-8
Pretul estimativ:
171,50 RON - 171,50 RON
 
 
Locul realizarii:
Bucureşti
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Descriere:
Specifications pH at 20 ºC....................................................... 2,00 specification range.............................................. 1,99 - 2,01 uncertainty ......................................................... ± 0,01 Composition per litre is 6,4 g Citric acid, 2,4 g Sodium hydroxide and 7,3 g Hydrochloric acid 37%. Standard buffer solutions are prepared using gravimetric and volumetric procedures. T...
Specifications pH at 20 ºC....................................................... 2,00 specification range.............................................. 1,99 - 2,01 uncertainty ......................................................... ± 0,01 Composition per litre is 6,4 g Citric acid, 2,4 g Sodium hydroxide and 7,3 g Hydrochloric acid 37%. Standard buffer solutions are prepared using gravimetric and volumetric procedures. The batch value is determined by measurement with a combination glass electrode against five-point calibration according to DIN 19268. This pH buffer solution is traceable to Standard Reference Material from NIST. T (°C)pH 0.......................................................................... 2,01
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