Merck 109477 pH 7.00 (Di-Sodium Hydrogen pHospHate/Potassium Dihydrogen pHospHate), Colour: green Traceable To Srm From Nıst And Ptb pH 7.00 (20°C) Certipur® 500 ml

1.046 + KDV

Açıklama
Merck 109477 pH 7.00  (Di-Sodium Hydrogen pHospHate/Potassium Dihydrogen pHospHate), Colour: green Traceable To Srm From Nıst And Ptb pH 7.00 (20°C) Certipur®  500 ml 
Catalogue Number 109477

Merck 109477 pH 7.00 (Di-Sodium Hydrogen pHospHate/Potassium Dihydrogen pHospHate), Colour: green Traceable To Srm From Nıst And Ptb pH 7.00 (20°C) Certipur® 500 ml  

Product Information 
HS Code 3822 00 00

Physicochemical Information 
Density 1.00 g/cm3 (20 °C)
pH value 7.0 (H₂O, 20 °C)
Solubility (20 °C) soluble

Safety Information according to GHS 
Storage class 10 – 13 Other liquids and solids
WGK NWG not water endangering
Disposal 28
Aqueous solutions: Container D.

Storage and Shipping Information 
Storage Store at +15 °C to +25 °C.

Specifications 
Specifications
pH-value (20 °C) 6.99 – 7.01
Measured with a combined glass electrode after 5-point calibration according to DIN 19268 (expanded measurement uncertainty +/-0.01) with ref.buffer solutions according to DIN 19266, prepared with primary reference materials, at the accredited laboratory DIN EN ISO/IEC 17025.
Deviations of pH ( Delta pH ) at various temperatures:
 (0 °C) + 0.13
 (5 °C) + 0.07
 (10 °C) + 0.05
 (15 °C) + 0.02
 (20 °C) +/- 0
 (25 °C) – 0.02
 (30 °C) – 0.02
 (35 °C) – 0.04
 (40 °C) – 0.05
 (50 °C) – 0.05
Traceable to primary reference materials from:
NIST 189c, 188, 185h, 186 Ig, 186IIg, 187e
PTB OX-179/10,TA-212/11,PHT-232/12,PHO-243/12,BO-211/11
NIST: National Institute of Standards and Technology
PTB: Physikalisch-Technische Bundesanstalt
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