Merck 109438 Buffer Solution pH 10 (Boric Acid/Potassium Chloride/Sodium Hydroxide), Traceable To Srm From Nıst And Ptb pH 10.00 (20°C) Certipur® 1 L

1.628 + KDV

Açıklama
MERCK 109438 buffer solution pH 10 (boric acid/potassium chloride/sodium hydroxide), traceable to SRM from NIST and PTB pH 10.00 (20°C) Certipur®  1 L
HS Code 3822 00 00
MERCK 109438 buffer solution pH 10

Physicochemical Information
Boiling point 110 °C (1013 hPa)
Density 1.00 g/cm3 (20 °C)
Melting Point -6 °C
pH value 10.0 (H₂O, 20 °C)

Specifications
pH-value (20 °C) 9.98 – 10.02
Measured with a combined glass electrode after 5-point calibration according to DIN 19268 (expanded measurement uncertainty +/-0.02) with ref.buffer solutions according to DIN 19266, prepared with primary reference materials, at the accredited laboratory according to DIN EN ISO/IEC 17025.
Deviation of pH (Delta pH) at various temperatures:
 (0 °C) + 0.26
 (5 °C) + 0.17
 (10 °C) + 0.11
 (15 °C) + 0.05
 (20 °C) +/- 0
 (25 °C) – 0.06
 (30 °C) – 0.11
 (35 °C) – 0.16
 (40 °C) – 0.18
 (50 °C) – 0.26
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: Physkalisch-Technische Bundesanstalt
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