Standard per analisi ambientali
Gli standard di analisi ambientale confermano che gli strumenti di prova rimangono coerenti per il monitoraggio dei livelli di inquinanti. Soluzioni a singolo o multi-elemento possono essere utilizzate per confrontare e verificare le determinazioni della composizione di campioni sconosciuti. Valutando con precisione le minacce presenti nell’atmosfera, nelle fonti idriche o nel suolo, il personale può modificare e migliorare le condizioni per ristabilire l’ambiente necessario alle prestazioni ottimali. Gli standard di analisi ambientale consentono di identificare tutti gli elementi esterni e interni che influenzano la crescita complessiva.
BTEX/MTBE in soil - PT, proficiency testing material, Supelco®
Supplier: Merck
BTEX/MTBE in Soil - PT, Supelco®, Proficiency Testing Material, : N/A
Expand 1 Items
TSS/pH (Whole Volume) in Seawater - WS, Proficiency Testing Material, Supelco®
Supplier: Merck
TSS/pH (whole volume) in Seawater - WS, Supelco®, Proficiency Testing Material, : N/A
Expand 1 Items
Chlordane (Total) - WP, proficiency testing material, Supelco®
Supplier: Merck
Chlordane (Total) - WP, Supelco®, Proficiency Testing Material, Concentrate for dilution to 1L, : N/A
Expand 1 Items
ISO 17943 57 Component VOC mix, (CRM), Supelco®
Supplier: Merck
ISO 17943 57 Component VOC Mix, Supelco®, Certified reference material, 200 µg/ml each component in methanol, : N/A
Expand 1 Items
Nonionic surfactants, (CRM), Supelco®
Supplier: Merck
Nonionic Surfactants, Supelco®, Certified reference material
Expand 1 Items
EPA 8270 GC-MS tuning solution, certified reference material, Supelco®
Supplier: Merck
EPA 8270 GC-MS Tuning Solution, Supelco®, Certified reference material, 50 mug/mL each component in dichloromethane, : N/A
Expand 1 Items
EPA 552.2 acids calibration mix, certified reference material, Supelco®
Supplier: Merck
EPA 552.2 Acids Calibration Mix, Supelco®, Certified reference material, in methyl tert-butyl ether (varied), : 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
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
Clean Sand #4, (CRM), Supelco®
Supplier: Merck
Clean Sand #4, Supelco®, : N/A
Expand 1 Items
Clean Sandy Loam, (CRM), Supelco®
Supplier: Merck
Clean Sandy Loam, Supelco®, : 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
Expand 1 Items
Clean Loam Soil, (CRM), Supelco®
Supplier: Merck
Clean Loam Soil, Supelco®, : N/A
Expand 1 Items
Metals in soil, (CRM), Supelco®
Supplier: Merck
Metals in Soil, Supelco®, Certified reference material
Expand 1 Items
VOAs in soil 2 - low level, Supelco®
Supplier: Merck
VOAs in soil 2 - low level, Supelco®, : N/A
Expand 1 Items
Herbicides I - WS, Proficiency Testing Material, Supelco®
Supplier: Merck
Herbicides I - WS, Supelco®, Proficiency Testing Material, : N/A
Expand 1 Items
#: 20864.320
Supplier: VWR Chemicals
#: 83640.320
Supplier: VWR Chemicals
#: 31770.294
Supplier: VWR Chemicals
#: 1.00030.2500
Supplier: Merck