Merck 105544 Potassium hydroxide solution in isopropanol acc. to DIN 51558 part 1 c(KOH)0.1 mol/l (0,1 N) Titripur 1 Lt

Merck 105544 Potassium hydroxide solution in isopropanol acc. to DIN 51558 part 1 c(KOH)0.1 mol/l (0,1 N) Titripur 1 Lt

Katalog No: 105544.1000

Marka: Merck

3.739,20 ₺
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Merck 105544 Potassium hydroxide solution in isopropanol acc. to DIN 51558 part 1 c(KOH)=0.1 mol/l (0,1 N) Titripur®

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Merck 105544 Potassium hydroxide solution in isopropanol acc. to DIN 51558 part 1 c(KOH)=0.1 mol/l (0,1 N) Titripur®

 

 

Açıklama
Katalog Numarası105544

 

Ürün Bilgisi
HS Kodu3824 99 92
Quality LevelMQ200

 

Fizikokimyasal Bilgiler
Yoğunluk0.79 g/cm3 (20 °C)
Patlama Sınırı2 - 13.4 %(V) (2-Propanol)
Parlama Noktası12 °C (2-Propanol)
Tutuşma sıcaklığı425 °C (2-Propanol)
pH Değeri13 (H₂O, 20 °C)

 

Özellikler
Formliquid
Amount-of-substance concentration0.0995 - 0.1005
Measurement uncertainty+/- 0.0003
TraceabilityNIST SRM
Accreditation: This volumetric solution is analyzed by our calibration laboratory D-K-15185-01-00 which is accredited according to DIN EN ISO/IEC 17025 for analysis of amount-of-substance concentrations in volumetric solutions by DAkkS (Deutsche Akkreditierungsstelle - German National Accreditation Body). The accreditation certificate can be found at www.sigmaaldrich.com/ISO17025.
The concentration is determined by volumetric titration and refers to 20°C.
The amount-of-substance concentration of this volumetric solution is traceable to a primary standard reference material (SRM) from the National Institute of Standards and Technology, Gaithersburg, USA (NIST SRM 84 potassium hydrogen phthalate) by means of volumetric standard potassium hydrogen phthalate (article number 1.02400), certified reference material according to ISO 17034, analyzed by our accredited calibration laboratory of Merck KGaA, Darmstadt, Germany according to DIN EN ISO/IEC 17025. The uncertainty is expressed as expanded measurement uncertainty with a coverage factor k=2 covering a confidence level of 95%.
Note: The titer is a correction factor to correct for variations of the volumetric solution, the titration equipment, the temperature and other laboratory conditions. For correct titration results it is recommended to determine a titer with the laboratory specific equipment and under laboratory specific conditions directly after opening a new bottle and at regular time intervals.
*) The concentration of this volumetric solution decreases over time of storage. This is not a quality issue of this product, it is a property of this solution. Therefore we strongly recommend to perform a titer determination after opening the originally sealed bottle and every working day.
105544.1000

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