SAM #140G0226Q0081

USGS Solicitation for Laboratory pH Buffers and Conductivity Standards (Ricca Chemical Company)

The U.S. Geological Survey (USGS) National Water Quality Laboratory (NWQL) in Denver is seeking to procure laboratory standards and buffers for environmental water testing. - Government Buyer: - U.S. Geological Survey (USGS), National Water Quality Laboratory (NWQL), Denver Acquisition Branch - OEM Highlight: - Ricca Chemical Company is specified as the brand name manufacturer for all required solutions - Products/Quantities: - pH buffer solutions (pH 4.00, 7.00, 10.00) in both 1-liter and 20-liter containers - 1-liter pH 7.00 buffer: 1,440 units - 20-liter pH buffer solutions: pH 4.00, 7.00, 10.00 (quantities not specified) - Potassium chloride conductivity standards in 1-liter containers at concentrations of 50, 100, 250, 500, 1800, 5000, and 25000 S/cm (quantities not specified) - Potassium chloride conductivity standard in 20-liter container at 1000 S/cm (quantity not specified) - Product Requirements: - All solutions must be traceable to NIST standards - Minimum shelf life of 12 months upon arrival - Color-coded containers for pH buffers (red, yellow, blue) - Delivery required within 2 days of each order, FOB destination to NWQL in Denver - Notable Details: - All products must meet strict quality and traceability standards for scientific use - Large volume and variety of calibration solutions required for ongoing water quality analysis

Description

NWQL-NFSS STANDARDS AND BUFFERS

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