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Standards & References

Certified standards and reference materials for instrument calibration and analytical quality control. Standards traceable to recognized metrology bodies.

153 products

DCO STANDARD (5000 PPM)

SKU: DS-5000
Grade: Certified
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STANDARD DE DCO (100mg/L)

SKU: DC-0100
Grade: Certified
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CARBONATE DE CALCIUM (200mg/L)

SKU: CS-9911
Grade: Certified
CAS Number: 471-34-1
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CHLORIDE STANDARD 10 PPM

SKU: CS-9421
Formula: Mélange
Grade: Standard
CAS Number: Mélange
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CARBONE (STANDARD 50 mg/L)

SKU: CS-7750
Grade: Certified
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CARBONE (STANDARD 10 mg/L)

SKU: CS-0710
Grade: Certified
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CARBONE (2000 PPM)

SKU: CS-0707
Grade: Certified
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CARBONATE DE CALCIUM (poudre)

SKU: CC-0111
Grade: Chelometric std.
CAS Number: 471-34-1
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BISPHÉNOL A, SOLUTION AQUEUSE 50MG/L

SKU: BS-0168
Grade: Purified
CAS Number: 80-05-7
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STANDARD D'AMMONIAC 1000ppm (NH3)

SKU: AS-9940
Grade: Certified
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NITROGEN (STANDARD 1000PPM)

SKU: AS-8940
Formula: Mélange
Grade: Certified
CAS Number: Mélange
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ÉTALON N-NH3 (1000 mg/L)

SKU: AS-5550
Grade: Certified
CAS Number: 12125-02-9
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