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Merck 119813 0500 Sulfate Standard Solution Traceable To Srm From Nist Na2So4 in H2O 1000 Mg/L So42- Certipur® 500 ML.
Merck 119813 0500 Sulfate Standard Solution Traceable To Srm From Nist Na2So4 in H2O 1000 Mg/L So42- Certipur® 500 ML.

Merck 119813 0500 Sulfate Standard Solution Traceable To Srm From Nist Na2So4 in H2O 1000 Mg/L So42- Certipur® 500 ML.

Ürün Kodu:1198130500
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Ürün Açıklaması
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Description
Catalogue Number119813
SynonymsSulfate standard for aqueous matrices ready for use
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Product Information
HS Code2833 11 00
Quality LevelMQ100
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Physicochemical Information
Density0.998 g/cm3 (20 °C)
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Safety Information according to GHS
Storage class10 - 13 Other liquids and solids
WGKNWG not water endangering
Disposal28\nAqueous solutions: Container D.
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Storage and Shipping Information
StorageStore at +15°C to +25°C.
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Specifications
Concentration     β (SO₄²⁻)990 - 1010 mg/l
Determination method: Titration with lead(II)perchlorate solution.\nThe content of this solution was determined with lead(II)perchlorate solution standardized against volumetric standard zinc (article number 1.02409). The expanded measurement uncertainty is ± 0.4 % (k=2 coverage factor for 95% coverage probability). The certified value is traceable to primary standard NIST SRM 682 (NIST: National Institute of Standards and Technology, USA) by means of volumetric standard zinc, measured in the accredited calibration laboratory of Merck KGaA, Darmstadt, Germany in accordance to DIN EN ISO/IEC 17025.

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