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Merck 109435 pH 4 Buffer solution (citric acid/sodium hydroxide/hydrogen chloride), traceable to SRM from NIST and PTB pH 4.00 (20°C) Certipur® 1 L

Merck 109435 pH 4 Buffer solution (citric acid/sodium hydroxide/hydrogen chloride), traceable to SRM from NIST and PTB pH 4.00 (20°C) Certipur® 1 L

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Merck 109435 pH 4 Buffer solution (citric acid/sodium hydroxide/hydrogen chloride), traceable to SRM from NIST and PTB pH 4.00 (20°C) Certipur® 1 L

Category

pH Kalibrasyon Sıvısı

Brand

MERCK

Stock Code

LB.M.109435.1000

1.255,00 TL + VAT

1.506,00 TL

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MERCK 109435 buffer solution pH 4 (citric acid/sodium hydroxide/hydrogen chloride), traceable to SRM from NIST and PTB pH 4.00 (20 °C) Certipur^® 1 L
Catalogue Number	109435

MERCK 109435 buffer solution pH 4 (citric acid/sodium hydroxide/hydrogen chloride), traceable to SRM from NIST and PTB pH 4.00 (20 °C) Certipur® 1 L

Product Information
HS Code	3822 00 00

Physicochemical Information
Density	1.01 g/cm3 (20 °C)
pH value	4.0 (H₂O, 25 °C)

Specifications
pH-value (20 °C)	3.99 - 4.01
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)	+ 0.05
(5 °C)	+ 0.04
(10 °C)	+ 0.02
(15 °C)	+ 0.01
(20 °C)	+/- 0
(25 °C)	+ 0.01
(30 °C)	+ 0.01
(35 °C)	+ 0.01
(40 °C)	+ 0.01
(50 °C)	+/- 0
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 Merck kimyasalları Ph kalibrasyon sıvısı Merck millipore Merck millipore türkiye Merck kimyasalları satış Merck kimyasal fiyatları Merck kimyasal fiyat Merck kimyasal listesi Merck kimyasal türkiye

Merck 109435 pH 4 Buffer solution (citric acid/sodium hydroxide/hydrogen chloride), traceable to SRM from NIST and PTB pH 4.00 (20°C) Certipur® 1 L

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