Quality Control and Proficiency Samples
ERA WATERS CORP FLUORIDE STD 1000MG/L 500ML
One 500 mL standard containing Fluoride at 1000 mg/L in H2O. This CRM is covered by ERA's ISO Guide 34 accreditation.
ERA WATERS CORP HEXAVALENT CHROMIUM PT SAMPLE
One 15 mL screw-cap vial yields up to 2 liters after dilution. Use with IC or colorimetric methods.
ERA WATERS CORP COLIFORMS WP INTERLAB
One lyophilized quantitative sample to be analyzed for total, fecal and E. coli coliforms.
ERA WATERS CORP pH, WasteWatR™, 250mL
One 250 mL whole-volume bottle is ready to analyze. Use with electrometric methods.
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).
Cambridge Isotope Laboratories Standard for EPA Method 8280 (CC1) 0 2 mL
Standard for EPA Method 8280 (CC1) 0 2 mL
Avanti Polar Lipids 7α-Hydroxycholesterol, Powder, 10 mg
7α-Hydroxycholesterol (cholest-5-en-3β,7α-diol) is a highly pure lipid used in scientific research to explore its various biological roles, including its function in bile acid synthesis and its contribution to immune responses. This compound is provided as a stable powder and is suitable for a range of applications in the study of lipid standards.
- High purity lipid with over 99% purity
- Physical state: Powder
- Molecular formula: C27H46O2
- Storage temperature: -20°C
- Stability: 1 year
- Non-hygroscopic and non-light sensitive
- Packaged as 1 x 10 mg
- Shipped in dry ice
PHENOVA WS pH | 100 mL
Provided as a 100 mL ready to use standard in water contained in a 125 mL poly bottle.