Ihre Suche nach: Umweltanalyse-Standards
The environmental analysis standards confirm testing instruments remain consistent for pollutant level monitoring. Single or multi-element solutions can be used to compare and check composition determinations of unknown samples. Accurately assessing threats in the atmosphere, water sources, or soil, personnel can modify and improve conditions to re-establish the surroundings required for optimal performance. Identify all external and internal elements which impact overall growth with the environmental analysis standards.
Zertifizierte Referenzmaterialien für die Umweltanalyse
Supplier: VKI WATER QUALITY INSTITUTE
Die von VKI erstellten zertifizierten Referenzmaterialien wurden entwickelt, um geeignete homogene und stabile Referenzmaterialien für die Qualitätskontrolle von Umweltanalysen zur Verfügung zu stellen. Die Zertifizierung wird gemäß dem ISO Guide 30, 31, 33, 34, 35, ISO 5725 und ISO/REMCO N 37 durchgeführt. Sämtliche zertifizierte Referenzmaterialien sind auf nationale Standards zurückzuführen oder wurden von einer Gruppe international anerkannter Labors verifiziert. Sie werden mit einem Analysezertifikat versehen, das den zertifizierten Wert und die Unsicherheit bei einem angegebenen Zuverlässigkeitsgrad angibt.
Expand 31 Items
Aroclor spike mix, analytical standard, Supelco®
Supplier: Merck
Aroclor Spike Mix, Supelco®, Analytical standard, 100 mug/mL each component in acetone, : N/A
Expand 1 Items
EPA 524 internal standard mix, certified reference material, Supelco®
Supplier: Merck
EPA 524 Internal Standard Mix, Supelco®, Certified reference material, 2000 mug/mL each component in methanol, : N/A
Expand 1 Items
EPA 502 Internal Standard Mix, certified reference material, Supelco®
Supplier: Merck
EPA 502 Internal Standard Mix, Supelco®, Certified reference material, 2000 mug/mL each component in methanol, : N/A
Expand 1 Items
Hardness calibration standard, calcium 1000 mg/L, (CRM), Supelco®
Supplier: Merck
Hardness calibration standard, Supelco®, Certified reference material, Calcium 1000 mg/l, : N/A
Expand 1 Items
Total organic carbon standards, according to ISO/CEN EN1484, Supelco®
Supplier: Merck
TOC standard, Supelco®, Analytical standard, 1000 ±10 mg/l, : N/A
Expand 2 Items
COD calibration standard, (CRM), Supelco®
Supplier: Merck
COD Calibration Standard, Supelco®, : N/A
Expand 1 Items
EPA 610-N PAH Kit, analytical standard, Supelco®
Supplier: Merck
EPA 610-N PAH Kit, Supelco®, Analytical standard, : N/A
Expand 1 Items
EPA 8040A phenol calibration mix, analytical standard, Supelco®
Supplier: Merck
EPA 8040A Phenol Calibration Mix, Supelco®, Analytical standard, 500 mug/mL each component in isopropanol, : N/A
Expand 1 Items
EPA 502/524.2 VOC Mix, analytical standard, Supelco®
Supplier: Merck
EPA 502/524.2 VOC Mix, Supelco®, Analytical standard, 200 mug/mL each component in methanol, : N/A
Expand 1 Items
EPA VOC mix 6, analytical standard, Supelco®
Supplier: Merck
EPA VOC Mix 6, Supelco®, Analytical standard, 2000 mug/mL each component in methanol, : N/A
Expand 1 Items
COD 500 mg/L calibration standard, (CRM), Supelco®
Supplier: Merck
COD Calibration Standard, Supelco®, Certified reference material, 500 mg/l, : N/A
Expand 2 Items
TOC standard, according to ISO/CEN EN1484, Supelco®
Supplier: Merck
TOC standard, Supelco®, 25 mg/L+/-2 mg/L, : N/A, according to ISO/CEN EN1484
Expand 8 Items
Supelco® COD CRM, standard solutions
Supplier: Merck
CSB-Standardlösung, Supelco®, 8000 mg/L, : N/A, Für Test-Kit(s): 1.14555, pH-Bereich: 3 - 5
Expand 8 Items
TOC Standard Solutions, Certified Reference Materials, Ready-to-Use, for Photometry, Supelco®
Supplier: Merck
TOC standard solution, Supelco®, 500 mg/L TOC, : N/A, Matrix: H₂O, pH-Bereich: 3 - 5
Expand 7 Items
Surfactant (MBAS) calibration standards, (CRM), Supelco®
Supplier: Merck
Surfactant (MBAS) calibration standards, Supelco®, Certified reference material, 1000 mg/l, : N/A
Expand 2 Items
Phenols Mix 1, analytical standard, Supelco®
Supplier: Merck
Phenols Mix 1, Supelco®, Analytical standard, in isopropanol (varied conc.), : N/A
Expand 1 Items
Alkalinity calibration standards, (CRM), Supelco®
Supplier: Merck
Alkalinity, CaCO3 Calibration Standard, Supelco®, Certified reference material, 1000 mg/l
Expand 3 Items
BOD calibration standards, (CRM), Supelco®
Supplier: Merck
BOD calibration standard, Supelco®, Certified reference material, 200 mg/l in water, : N/A
Expand 5 Items
EPA 8260A surrogate standards mix, certified reference material, Supelco®
Supplier: Merck
EPA 8260A Surrogate Standards Mix, Supelco®, Certified reference material, 2000 mug/mL each component in methanol
Expand 1 Items
MISA Group 23 chlorinated hydrocarbon mix, analytical standard, Supelco®
Supplier: Merck
MISA Group 23 Chlorinated Hydrocarbon Mix, Supelco®, Analytical standard, 2000 mug/mL each component in dichloromethane, : N/A
Expand 1 Items
VWR®, Total Nitrogen Standards (CRMs)
Supplier: VWR Chemicals
Certified reference materials for use as standards for Total Nitrogen, typically used as standards for Kjeldahl nitrogen determination.
Expand 2 Items
EPA 8260 Internal standards mix, (CRM), Supelco®
Supplier: Merck
EPA 8260 Internal Standards Mix, Supelco® TraceCERT®, Certified reference material, 2000 µg/ml each component in methanol, : N/A
Expand 1 Items
EPA 625 semivolatile calibration mix, analytical standard, Supelco®
Supplier: Merck
EPA 625 Semivolatile Calibration Mix, Supelco®, Analytical standard, 1000 mug/mL each component in methylene chloride: benzene (3:1), : N/A
Expand 1 Items
EPA 502/524 Volatiles Organic Calibration Mix (without gases), analytical standard, Supelco®
Supplier: Merck
EPA 502/524 Volatiles Organic Calibration Mix (without gases), Supelco®, Analytical standard, 2000 mug/mL each component in methanol, : N/A
Expand 1 Items
Base/Neutrals 1 - WP, (CRM), Supelco®
Supplier: Merck
Base/Neutrals 1 - WP, Supelco®, Certified reference material, : N/A
Expand 1 Items
Anions in Soil, (CRM), Supelco®
Supplier: Merck
Anions in Soil, Supelco®, Certified reference material, : N/A
Expand 1 Items
TPH - sandy loams, (CRM), Supelco®
Supplier: Merck
TPH - Sandy Loam 4, Supelco®, : N/A, Pkg of 100 g
Expand 3 Items
Nitrogen (total) CRM, Standard Solutions, Supelco®
Supplier: Merck
Stickstoff (Gesamt)-Standardlösung, Supelco®, 2,50 mg/L N, Matrix: H₂O, Für Test-Kit(s): 1.00613; 1.14537, pH-Bereich: 5 - 7
Expand 3 Items
Dissolved Oxygen in Drinking Water, (CRM), Supelco®
Supplier: Merck
Dissolved Oxygen, Supelco®, Certified reference material, : N/A