AMMONIUM THIOCYANATE SOLUTION

Code: 1090791003 D2-231

Analysis Note

Form liquidAmount-of-substance concentration 0.0995 - 0.1005 mol/LMeasurement uncertainty ± 0.0003 mol/LTraceability NIST SRMThe concentration is determine...


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£39.60 EACH
£47.52 inc. VAT

Analysis Note

Form liquidAmount-of-substance concentration 0.0995 - 0.1005 mol/LMeasurement uncertainty ± 0.0003 mol/LTraceability NIST SRMThe concentration is determined by volumetric titration and refers to 20°C.The amount-of-substance concentration of this volumetric solution is determined with standardized silver nitrate solution (article number 1.09081). The silver nitrate solution is standardized and traceable to a primary standard reference material (SRM) from the National Institute of Standards and Technology, Gaithersburg, USA (NIST SRM 999 potassium chloride) by means of volumetric standard sodium chloride (article number 1.02406), 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.

Features and Benefits

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.

Legal Information

Titripur is a registered trademark of Merck KGaA, Darmstadt, Germany

Packaging

1 l in Plastic bottle

SKU-pack size numbers ending with a '3' are SmartChemicals with an RFID tag on the label for seamless data transfer to the instrument, e.g. xxxxxx1003 or xxxxxxx 4003. More information on www.sigmaaldrich.com/SmartChemicals

agencyreag. Ph. Eur., reag. USP
concentration0.1 M
density1.00 g/cm3 at 20 °C
formliquid
pH4.5 (20 °C in H2O)
product lineTitripur®
Quality Level200
qualityAnalyzed in our ISO 17025 accredited QC lab
reaction suitabilityreaction type: Precipitation reactions
storage temp.15-25°C
technique(s)titration: suitable
Code
Description
Unit Size
List Price
Qty
1090791000
Unit:EACH
List Price: £37.70
Source:List Price
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