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• ● Protein-based, optically clear liquid standards
• ● Intended specifically for calibration verification
• ● Known linear relation stated in product insert
• ● Stable five days after opening when refrigerated
• ● Kit includes two, five-level sets
• ● No glycols, azides or surfactants
• ● Concentrations verified using pure crystalline bilirubin and Doumas reference method
• 
  

Technical note: Reichert Technologies Bilirubinometer requires 9456 Tru-ZeroTM Bilirubin Standard as the lowest level standard.

• Analyte	Units	Level A	Level B	Level C	Level D	Level E
  Total Bilirubin	mg/dL	0.5	5.5	10.5	15.5	20.5
  Direct Bilirubin	*mg/dL	0.5	5.5	10.5	15.5	20.5

* Direct Bilirubin values may vary with methodology and conditions of *****.  Extended range available. See Level F below.