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Standards & References

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

164 products

STANDARD ORP 400mV

SKU: OS-0400
Formula: Mélange
Grade: Certified
CAS Number: Mélange
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STANDARD ORP 240mV

SKU: OS-0240
Formula: Mélange
Grade: Certified
CAS Number: Mélange
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STANDARD ORP 200mV

SKU: OS-0200
Formula: Mélange
Grade: Certified
CAS Number: Mélange
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NITRATE (N) (STANDARD 10 mg/L)

SKU: NS-0921
Grade: Certified
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CONOSTAN N100 VISCOSITY STANDARD

SKU: N100
Grade: Certified
CAS Number: 8042-47-5
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N10 Viscosity Standard

SKU: N10
Grade: Certified
CAS Number: -
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Turbidity Standard 200 PPM

SKU: KS-0200
Grade: Certified
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Kaolin Turbidity Standard 100 PPM

SKU: KS-0100
Grade: Certified
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Kaolin Turbidity Standard 60 PPM

SKU: KS-0060
Grade: Certified
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Kaolin Turbidity Standard 20 PPM

SKU: KS-0020
Grade: Certified
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ASTM #2 REFERENCE OIL (IRM 902)

SKU: HP-5555
Grade: Certified
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HI7081L - SODIUM CHLORIDE Standard Solution 30g/L

SKU: HI-7081L
Grade: Standard
CAS Number: 7647-14-5
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