Merck 109435.1000 Buffer solution pH 4.00

Ürün Özellikleri

Description
Catalogue Number	109435

Merck 109435.1000 | Buffer solution pH 4.00 (20°C) 1L

Product Information
HS Code	3822 00 00

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

tampon çözelti, ph solüsyonu ph4, merck tampon

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

Tampon çözeltisi pH 4.00 (sitrik asit / sodyum hidroksit / hidrojen klorür), NIST ve PTB pH 4.00’den (20 ° C) SRM’ye kadar izlenebilir Certipur

M109435.1000

1.09435.1000

Laboratuvar Kimyasalları