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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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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Total Phenolics, (CRM), Supelco®
Supplier: Merck
Total Phenolics, Supelco®, Certified reference material, : N/A
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TPH in Soil, (CRM), Supelco®
Supplier: Merck
TPH in Soil, Supelco®, Certified reference material, : N/A
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Nutrients in soil, (CRM), Supelco®
Supplier: Merck
Nutrients in Soil, Supelco®, Certified reference material, : N/A
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Complex Nutrients, (CRM), Supelco®
Supplier: Merck
Complex Nutrients, Supelco®, Certified reference material
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Phenolics c/V sample 1, (CRM), Supelco®
Supplier: Merck
Phenolics C/V Sample 1, Supelco®, Certified reference material, : N/A
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Trihalomethanes - WS, (CRM), Supelco®
Supplier: Merck
Trihalomethanes - WS, Supelco®, Certified reference material, : N/A
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Phenolics c/V sample 2, (CRM), Supelco®
Supplier: Merck
Phenolics C/V Sample 2, Supelco®, Certified reference material, : N/A
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Simple nutrients, (CRM), Supelco®
Supplier: Merck
Simple Nutrients, Supelco®, Certified reference material, : N/A
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Residue Sample 1, (CRM), Supelco®
Supplier: Merck
Residue Sample 1, Supelco®, Certified reference material, : N/A
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Proteus mirabilis WDCM 00023 Vitroids™, 80-130 CFU mean value range, for Microbiology, Certified Reference Material
Supplier: Merck
Certified Reference Microorganisms
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Pseudomonas aeruginosa WDCM 00026 Vitroids™, 80-130 CFU mean value range, for Microbiology, Certified Reference Material
Supplier: Merck
Certified Reference Microorganisms
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Listeria monocytogenes 4b WDCM 00021 Vitroids™, 80-130 CFU mean value range, for Microbiology, Certified Reference Material
Supplier: Merck
Certified Reference Microorganisms
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Legionella micdadei NCTC 11371 Medium count Lenticule® discs 500-50000 CFU, for microbiology, certified reference material
Supplier: Merck
Certified Reference Microorganisms
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Pseudomonas aeruginosa WDCM 00026 Vitroids™, 1,000-10,000 CFU mean value range, for Microbiology, Certified Reference Material
Supplier: Merck
Certified Reference Microorganisms
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Pseudomonas aeruginosa WDCM 00114 Vitroids™, 1,000-10,000 CFU mean value range, for Microbiology, Certified Reference Material
Supplier: Merck
Certified Reference Microorganisms
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Supelco® TraceCERT® Organic Reference Standard, Diethofencarb
Supplier: Merck
Diethofencarb may be used as certified reference material for the following:
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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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Saccharomyces cerevisiae NCPF 3191 Lenticule® discs, 30-120 CFU, reference material, for microbiology
Supplier: Merck
Certified Reference Microorganisms
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Organic reference standard, neat, Bisphenol A, (CRM), TraceCERT®, Supelco®
Supplier: Merck
Certified Reference material suitable for HPLC and GC analysis. Produced and certified in accordance with ISO/IEC 17025 and ISO 17034.
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Raoultella planticola (formerly Klebsiella aerogenes) NCTC 9528 Lenticule® discs, 500-50000 CFU, for microbiology, certified reference material
Supplier: Merck
Certified Reference Microorganisms
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Salmonella enterica subsp. enterica serovar Enteritidis WDCM 00030 Vitroids™, 80-130 CFU mean value range, for Microbiology, Certified Reference Material
Supplier: Merck
Certified Reference Microorganisms
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Escherichia coli O157 (NT) NCTC 12900 Low count Lenticule® discs 30-120 CFU, for microbiology, certified reference material
Supplier: Merck
Certified Reference Microorganisms
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Turbidity - WP, Certified Reference Material, Supelco®
Supplier: Merck
Turbidity Standard, Turbidity - WP, Type: Formazine, Ampoule
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Salmonella enterica subsp. enterica serovar Typhimurium WDCM 00031 Vitroids™, 15-80 CFU mean value range, for Microbiology, Certified Reference Material
Supplier: Merck
Certified Reference Microorganisms
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Pseudomonas aeruginosa WDCM 00026 Vitroids™, 50'000-150'000 CFU mean value range, for Microbiology, Certified Reference Material
Supplier: Merck
Certified Reference Microorganisms
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Turbidity - WP, Certified Reference Material, Supelco®
Supplier: Merck
Turbidity Standard, Turbidity - QC, Type: Formazine
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Zearalenone solution, certified reference material, Supelco®
Supplier: Merck
Organic Standard, Zearalenone solution, Ampoule of 1 ml
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PAH Mix 3, certified reference material, Supelco®
Supplier: Merck
PAH Mix 3, Supelco®, Certified reference material, in methylene chloride: methanol (1:1) (varied), : N/A
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: GRANT INSTRUMENTS
: BOCHEM
: VWR Collection
: DWK Life Sciences
: Thermo Fisher Scientific
: VWR Collection
: Oxford Nanopore Technologies
: Integra
: Industrial Physics
: AAT BIOQUEST
: Integra
: Palbam
: VWR Collection
: VWR Collection
: FACELLITATE
: NANOENTEK
: Greiner Bio-One