22786 Results for: "Certified Reference Materials, Rocklabs"
VWR®, UV/Visible standards
Supplier: VWR Chemicals
For spectrophotometer calibration according to European Pharmacopoeia (Ph. Eur.)
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VWR®, Colour standard solutions ASTM
Supplier: VWR Chemicals
Ready to use colour solutions that are prepared gravimetrically on a weight/weight basis.
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VWR®, Holmium perchlorate standard solution for wavelength calibration of spectophotometers, Reag. Ph. Eur
Supplier: VWR Chemicals
Standard for spectrophotometer calibration, Holmium perchlorate standard solution, Reag. Ph. Eur, VWR®
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Colour standards, starter set for Lico Spectral colorimeter
Supplier: Hach
Calibration solutions for Lico spectral colorimeter.
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VWR®, Density Standards, Certified Reference Materials, Referenced at 25 °C
Supplier: VWR Chemicals
VWR® ISO 17025 / ISO 17034 dual certified density standards are for the verification of instruments used to measure density of materials which are fluid at the desired test temperature.
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VWR®, Density Standards, Certified Reference Materials, Referenced at 20 °C
Supplier: VWR Chemicals
VWR® ISO 17025 / ISO 17034 dual certified density standards are for the verification of instruments used to measure density of materials which are fluid at the desired test temperature.
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VWR®, Density standards, Certified Reference Materials, referenced at 15 °C
Supplier: VWR Chemicals
VWR® Chemicals ISO 17025/ISO 17034 dual certified-density standards are for the verification of instruments used to measure the density of materials which are fluid at the desired test temperature.
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Solvent screen, certified reference material, Supelco®
Supplier: Merck
Solvent Screen, Supelco®, Certified reference material
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VWR®, α-Endosulfan Certified Reference Material
Supplier: VWR Chemicals
Organic Standard, α-Endosulfan Certified Reference Material, Pack type: Glass ampoule
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Colour Reference Solutions acc. to USP, analytical standards, Supelco®
Supplier: Merck
Color Reference Solutions acc. to USP, analytical standard, Supelco®, Pk Info: Set of 20 x 10 ml (20 standard solution)
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Anions, certified reference material, Supelco®
Supplier: Merck
Anions - QC, Supelco®, Application: Environmental standards, Waste water
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VWR®, Colour standards, Saybolt
Supplier: VWR Chemicals
Ready to use colour solutions that are prepared gravimetrically on a weight/weight basis.
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VWR®, Colour reference solutions acc. to Ph. Eur., ready to use
Supplier: VWR Chemicals
These solutions are developed and produced according to chapter 2.2.2. 'Degree of colouration of liquids' of the European Pharmacopoeia. (brown, brown-yellow, green-yellow, red and yellow). These kits are ready to use, and are dedicated to help you save time and money because preparation of these solutions is very complex.
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Saccharomyces cerevisiae NCPF 3191 Lenticule® discs, 500-50000 CFU, for microbiology, certified reference material
Supplier: Merck
Certified Reference Microorganisms
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Pseudomonas aeruginosa WDCM 00114 Vitroids™, 15-80 CFU mean value range, for Microbiology, Certified Reference Material
Supplier: Merck
Certified Reference Microorganisms
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Salmonella enteritidis NCTC 6676 Lenticule® discs, 30-120 CFU, for microbiology, certified reference material
Supplier: Merck
Certified Reference Microorganisms
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Demand-WP, (CRM), Supelco®
Supplier: Merck
Demand-WP, Supelco®, Certified reference material, : N/A
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BNAs in Soil, (CRM), Supelco®
Supplier: Merck
BNAs in Soil, Supelco®, Certified reference material, : N/A
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Demand - WS, (CRM), Supelco®
Supplier: Merck
Demand - WS, Supelco®, Certified reference material, : N/A
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Solids in soil, (CRM), Supelco®
Supplier: Merck
Solids in Soil, Supelco®, Certified reference material, : N/A
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Dissolved Oxygen in Drinking Water, (CRM), Supelco®
Supplier: Merck
Dissolved Oxygen, Supelco®, Certified reference material, : N/A
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Anions in Soil, (CRM), Supelco®
Supplier: Merck
Anions in Soil, Supelco®, Certified reference material, : N/A
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Vibrio parahaemolyticus NCTC 10903 Lenticule® discs, > 100 CFU, reference material, for microbiology
Supplier: Merck
Certified Reference Microorganisms
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Pseudomonas aeruginosa WDCM 00026 Vitroids™, 130-300 CFU mean value range, for Microbiology, Certified Reference Material
Supplier: Merck
Certified Reference Microorganisms
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TSS in Seawater, (CRM), Supelco®
Supplier: Merck
TSS in Seawater, Supelco®, Certified reference material, : N/A
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Formaldehyde in Water, (CRM), Supelco®
Supplier: Merck
Formaldehyde in Water, Supelco®, Certified reference material, : N/A
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Nutrients C/V Sample 1, (CRM), Supelco®
Supplier: Merck
Nutrients C/V Sample 1, Supelco®, Certified reference material, : N/A
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PAHs by HPLC, (CRM), Supelco®
Supplier: Merck
PAHs by HPLC, Supelco®, Certified reference material, : N/A
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Nutrients C/V Sample 2, (CRM), Supelco®
Supplier: Merck
Nutrients C/V Sample 2, Supelco®, Certified reference material, : N/A
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Residue Sample 2, (CRM), Supelco®
Supplier: Merck
Residue Sample 2, Supelco®, Certified reference material, : N/A