Quality Control and Proficiency Samples
AccuStandard, Inc FLASH POINT STANDARD 250ML
COC D-92 - Nominal Flash Point (230 ?C). 250 mL. 8012-95-1
SPEX CERTIPREP LLC 3P GGA CONCENTRATE
(NSI by Zeptometrix) GGa Concentrate Snips for BOD5. a box of 25 single-use snips, each containing 6 mL of Glucose: Glutamic acid solution (300 mg/L total). Just snip open the tube and pour contents directly into a 300 mL BOD bottle. Yields a 2% solution of GGa as per SM 5210B. We've sterilized the solution in the snip, it is sterile indefinitely at room temperature until opened.
SPEX CERTIPREP LLC 3P TOTAL CHLORINE CHECK STANDARD
(NSI by Zeptometrix) Total Chlorine Accuracy Check RM, 25 Tubes, 1.00 mg/L, Dilutes to 25mL
Verichem Laboratories BILIRUBIN STD KIT 10X5ML
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.
Verichem Laboratories ELECTROLYTE STANDARD KIT
Protein-based, liquid standards Intended for calibration verification or calibration Suitable for most direct ISE, diluted ISE and cesium flame Glycol and surfactant free for maximum electrode protection Revised formulation for lithium direct ISE
Verichem Laboratories BILIRUBIN STD LVL F 2X5ML
This product is not sold separately and must be ordered with Bilirubin Standard Kit Direct Bilirubin values may vary with methodology and conditions of assay Identical matrix as Verichem 9450 Bilirubin Standard Kit for optimum linearity Protein based, ready-to-use liquid No glycols, azides or surfactants Concentrations verified against available NIST Standard Reference Material Stable 5 days after opening when refrigerated
ERA WATERS CORP QC WASTEWATER COMPLEX NUTRIENT
One 15 mL screw-cap vial yields up to 2 liters after dilution.
SPEX CERTIPREP LLC 3P TRC CONCENTRATE .05MG/L 24/PK
(NSI by Zeptometrix) Total Residual Chlorine Concentrate CRM, 24 ampules, 0.050 mg/L, Dilutes to 1:1000
SPEX CERTIPREP LLC 3P INORGANIC QC SAMPLE 500ML
(NSI by Zeptometrix) Drinking Water Inorganics Sample, 500 mL
Verichem Laboratories Reference Kit Matrix Plus™ Chemistry 1 X 15 mL
Protein based, ready-to-use liquid. No glycols, azides or surfactants. Known concentrations verified against available NIST standard reference material. Glucose, Urea Nitrogen, Creatinine, Calcium, Phosphorus, Magnesium, Triglyceride Analytes