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Venta y distribución de materiales de referencia certificados y consumibles para análisis elemental (Inorganic Ventures, Elemental Microanalysis, Accustandard, Chiron, Nist, IRMM, NRC, etc)

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NIST-SRM-1955 Homocysteine and Folate in Frozen Human Serum; set (3)

Healh and Industrial Hygiene

NIST-SRM-1957 Organic Contaminants in Non-Fortiﬁed Human Serum (Freeze-Dried); 5 x 10.7 mL

Healh and Industrial Hygiene

NIST-SRM-1958 Organic Contaminants in Fortiﬁed Human Serum (Freeze-Dried); 5 x 10.7 mL

Healh and Industrial Hygiene

NIST-SRM-196 Ferrochromium Low Carbon ; 100 g

NIST-SRM-1961 Polystyrene Spheres (30 μm Diameter Particle Size); 5 mL

Sizing

NIST-SRM-1963a Polystyrene Spheres (100 nm Diameter Particle Size); 5 mL

Sizing

NIST-SRM-1964 Polystyrene Spheres

NIST-SRM-1964 Polystyrene Spheres (60 nm Diameter Particle Size) ; 5 mL

Sizing

NIST-SRM-1967a High-Purity Platinum Thermoelement (platinum wire); 0.51 mm D x 1 m L

Thermodynamic Properties

NIST-SRM-1972 1;3-Dioxolan-2-one Triple Point Standard; 60 g

Thermodynamic Properties

NIST-SRM-1974c Organics in Mussel Tissue (Mytilus edulis); 5 x 10 g

NIST-SRM-1975 Diesel Particulate Extract; 4 x 1.2 mL

Healh and Industrial Hygiene

NIST-SRM-1976c Instrument Response Standard for X-Ray Powder Diﬀraction; disc

X-Ray Diffraction