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Merck 109439 pH 7 Buffer solution (di-sodium hydrogen phosphate/potassium dihydrogen phosphate), traceable to SRM from NIST and PTB pH 7.00 (20°C) Certipur® 1 L

Marka
Stok Kodu
LB.M.109439.1000
1.179,71 TL + KDV
1.415,66 TL
Aynı Gün Kargo
Ön Siparişli Ürün
MERCK 109439 pH 7 buffer solution (di-sodium hydrogen phosphate/potassium dihydrogen phosphate), traceable to SRM from NIST and PTB pH 7.00 (20°C) Certipur® 1 L
Catalogue Number 109439
MERCK 109439 pH 7 buffer solution (di-sodium hydrogen phosphate/potassium dihydrogen phosphate), traceable to SRM from NIST and PTB pH 7.00 (20°C) Certipur® 1 L 
Product Information
HS Code 3822 00 00
Physicochemical Information
Boiling point 109 °C (1013 hPa)
Density 1.01 g/cm3 (20 °C)
Melting Point -5 °C
pH value 7.0 (H₂O, 20 °C)
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 according to DIN EN ISO/IEC 17025.
Deviations of pH (ΔpH) 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, 186 IIg, 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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Merck 109439 pH 7 Buffer solution (di-sodium hydrogen phosphate/potassium dihydrogen phosphate), traceable to SRM from NIST and PTB pH 7.00 (20°C) Certipur® 1 L MERCK 109439 pH 7 buffer solution traceable to SRM from NIST and PTB pH 7.00 (20°C) Certipur® 1 L LB.M.109439.1000
Merck 109439 pH 7 Buffer solution (di-sodium hydrogen phosphate/potassium dihydrogen phosphate), traceable to SRM from NIST and PTB pH 7.00 (20°C) Certipur® 1 L

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