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1.19533.0500 CYANIDE STANDART SOLUTION MERCK
Description
Catalogue Number 119533
Product Information
HS Code 2837 20 00
Quality Level MQ100
Physicochemical Information
Density 1.00 g/cm3 (20 °C)
pH value 9 - 10 (H₂O, 20 °C)
Safety Information according to GHS
Hazard Pictogram(s) Hazard Pictogram(s)
Hazard Statement(s) H332: Harmful if inhaled.
H412: Harmful to aquatic life with long lasting effects.
EUH032: Contact with acids liberates very toxic gas.
Precautionary Statement(s) P261: Avoid breathing dust/ fume/ gas/ mist/ vapours/ spray.
P271: Use only outdoors or in a well-ventilated area.
P273: Avoid release to the environment.
P304 + P340 + P312: IF INHALED: Remove person to fresh air and keep comfortable for breathing. Call a POISON CENTER/doctor if you feel unwell.
P501: Dispose of contents/ container to an approved waste disposal plant.
Signal Word Warning
Storage class 10 - 13 Other liquids and solids
WGK WGK 2 obviously hazardous to water
Disposal 6
Sulfides and sulfites as well as other reducing substances, inorganic cyanides and isonitriles: Stir into sodium hypochlorite solution (Cat. No. 105614) and, if necessary, leave to react for several days. Caution: some substances may show a violent reaction! Draw off any toxic or flammable gases that may be formed. Excess oxidant should be neutralized with sodium thiosulfate (Cat. No. 106513). Container D or E.
Safety Information
Categories of danger harmful
Storage and Shipping Information
Storage Store at +2°C to +8°C.
Transport Information
Declaration (railroad and road) ADR, RID Kein Gefahrgut
Declaration (transport by air) IATA-DGR No Dangerous Good
Declaration (transport by sea) IMDG-Code No Dangerous Good
Specifications
Concentration β (CN⁻) 990 - 1010 mg/l
Determination method: Argentometric titration.
The content of this solution was determined with silver nitrate standard solution (article number 1.09081) standardized against volumetric standard sodium chloride (article number 1.02406). The expanded measurement uncertainty is ± 0.7 % (k=2 coverage factor for 95% coverage probability). The certified value is traceable to primary standard NIST SRM 999c (NIST: National Institute of Standards and Technology, USA) by means of volumetric standard sodium chloride, measured in the accredited calibration laboratory of Merck KGaA, Darmstadt, Germany in accordance to DIN EN ISO/IEC 17025.
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