Quality Control and Proficiency Samples
ERA WATERS CORP QC WASTEWATER COMPLEX NUTRIENT
One 15 mL screw-cap vial yields up to 2 liters after dilution.
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 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
SPEX CERTIPREP LLC 3P TRC CONCENTRATE 2MG/L 24/PK
(NSI by Zeptometrix) Total Residual Chlorine Concentrate CRM, 24 ampules, 2.00 mg/L, Dilutes to 1:1000
AccuStandard, Inc FLASH POINT STANDARD 250ML
COC D-92 - Nominal Flash Point (230 ?C). 250 mL. 8012-95-1
Inorganic Ventures QCPLUS QC SOLUTION 19 125mL
Inorganic Ventures' Quality Control Standard 19 is a 125mL certified reference material set in a nitric acid / hydrofluoric acid matrix for stability. This standard is Traceable to NIST and manufactured in accordance with our stringent Quality Assurance guidelines. See Certificate of Analysis for expiration.
ATTENTION: Inorganic Ventures is no longer supplying paper copies of Certificate of Analyses(CoA) and Safety Data Sheets (SDS). Please use this link to download your copies: https://www.inorganicventures.com/coa-sds-search
SPEX CERTIPREP LLC 3P Complex Nutrients QC CRM 21mL
NSI Lab Solutions QCI-139 Complex Nutrients QC CRM, 21mL Single
ERA WATERS CORP HETEROTROPHIC PLATE COUNT
Each sample is one lyophilized standard containing a Heterotrophic bacteria present in the range 5-500 CFU/mL or MPN/mL. Use with the Standard Methods 9215B - Pour Plate Method, and Most Probable Number (MPN) Method (simplate).
ERA WATERS CORP TRACE METALS QC SAMPLE
One 15 mL screw-cap vial yields up to 1 liter after dilution. Use with AA, ICP-OES or ICP-MS and selected colorimetric methods.