Padrões de Referência

National Institute of Standards and Technology

National Institute of Standards and Technology
National Institute of Standards and Technology

Alumina – Melting point (NIST-742)

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National Institute of Standards and Technology

Cortisol (Hydrocortisone) (NIST-921)

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National Institute of Standards and Technology

HEPES free acid (NIST-2181)

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National Institute of Standards and Technology

HEPES Sodium Salt (NIST-2182)

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National Institute of Standards and Technology

Creatinine in Frozen Human Urine (NIST-3667)

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National Institute of Standards and Technology

24R,25-Dihydroxyvitamin D3 Calibration Solution (NIST-2971)

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National Institute of Standards and Technology

Yeast Protein Extract (NIST-8323)

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National Institute of Standards and Technology

Fluorescent Dyes for Quantitative Flow Cytometry (Visible Spectral Range) (NIST-1934)

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National Institute of Standards and Technology

C-Reactive Protein Solution (NIST-2924)

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National Institute of Standards and Technology

Creatinine (NIST-914B)

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