Quality Control and Proficiency Samples
ERA WATERS CORP PHOSPHATE STD 1000MG/L 500ML
One 500 mL standard containing Phosphate as P at 1000 mg/L in H2O. This CRM is covered by ERA's ISO Guide 34 accreditation.
Aqua Solutions TSS Standard 20 mg/L (Celite - Shake bottle well before use) (1L)
TSS Standard 20 mg/L (Celite - Shake bottle well before use) (1L)
ERA WATERS CORP CHLORIDE STD 1000MG/L 500ML
Chloride - 1000 mg/l, 500 ml One 500 mL standard containing Chloride at 1000 mg/L in H2O. This CRM is covered by ERA's ISO Guide 34 accreditation.
ERA WATERS CORP NITRITE STANDARD 1000PPM 25ML
One 125 mL standard containing Nitrate as N at 1000 mg/L in H2O. This CRM is covered by ERA's ISO Guide 34 accreditation.
ERA WATERS CORP READY TO USE DEMAND 500ML
One 500 mL whole-volume bottle is ready to analyze,maximum holding time of 2 months
ERA WATERS CORP THMS QC STD
One 2 mL flame-sealed ampule yields in excess of 200 mL after dilution. Contains all of the analytes below at 5-50 ug/L.
Cambridge Isotope Laboratories Metabolomics Qc Kit
The kit contains the following materials and tools: 2 vials of 13C-labeled analytes (lyophilized) and a user manual (with product details and applications for example LC-MS methods). This QC kit is designed to evaluate the efficiency of a user’smetabolomics method and LC-/GC-MS platform such that the analytical variation can be determined and corrected. Testing and validation of the kit has been performed in an array of matrices (e.g., urine, blood, and tissues), using different forms of chromatography (e.g., RP-LC and HILIC), ionization polarity (i.e., positive and negative), and modes of MS (e.g., DDA).
