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1.09079

Supelco

Ammonium thiocyanate solution

c(NH4SCN) = 0.1 mol/l (0.1 N), Titripur®, reag. Ph. Eur., reag. USP

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Agency

reag. Ph. Eur.
reag. USP

Quality Level

product line

Titripur®

form

liquid

quality

Analyzed in our ISO 17025 accredited QC lab

reaction suitability

reaction type: Precipitation reactions

concentration

0.1 M

technique(s)

titration: suitable

pH

4.5 (20 °C in H2O)

density

1.00 g/cm3 at 20 °C

storage temp.

15-25°C

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This Item
1.250221.0121380518
Ammonium Standard Solution traceable to SRM from NIST 0.400 mg/L NH₄-N in H₂O

Supelco

1.25022

Ammonium Standard Solution

-
Ammonium thiocyanate for analysis EMSURE® ACS,ISO,Reag. Ph Eur

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1.01213

Ammonium thiocyanate

-
Sodium thiocyanate solution BioUltra, 8 M in H2O

Sigma-Aldrich

80518

Sodium thiocyanate solution

Premium Grade
reaction suitability

reaction type: Precipitation reactions

reaction suitability

-

reaction suitability

-

reaction suitability

-

technique(s)

titration: suitable

technique(s)

photometry: suitable

technique(s)

-

technique(s)

-

agency

reag. Ph. Eur.

agency

traceable to NIST

agency

reag. ISO, reag. Ph. Eur.

agency

-

form

liquid

form

-

form

solid

form

liquid

quality

Analyzed in our ISO 17025 accredited QC lab

quality

-

quality

-

quality

-

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.

Packaging

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

Analysis Note

Form liquid
Amount-of-substance concentration 0.0995 - 0.1005 mol/L
Measurement uncertainty ± 0.0003 mol/L
Traceability NIST SRM

The 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.

Legal Information

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

related product

Product No.
Description
Pricing

Storage Class Code

12 - Non Combustible Liquids

WGK

nwg

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


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Articles

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