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.
Low level total phosphorus - QC, (CRM), Supelco®
Supplier: Merck
Low Level Total Phosphorus - QC, Supelco®, : N/A
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Low level anions - whole volume, Supelco®
Supplier: Merck
Low Level Anions - Whole Volume, Supelco®, : N/A
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Metals in soil, (CRM), Supelco®
Supplier: Merck
Metals in Soil, Supelco®, Certified reference material
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Clean Sandy Loam, (CRM), Supelco®
Supplier: Merck
Clean Sandy Loam, Supelco®, : N/A
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Clean Sand #4, (CRM), Supelco®
Supplier: Merck
Clean Sand #4, Supelco®, : N/A
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Hardness calibration standard, calcium 1000 mg/L, (CRM), Supelco®
Supplier: Merck
Hardness calibration standard, Supelco®, Certified reference material, Calcium 1000 mg/l
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Clean Loam Soil, (CRM), Supelco®
Supplier: Merck
Clean Loam Soil, Supelco®, : N/A
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Phenols Mix 1, analytical standard, Supelco®
Supplier: Merck
Phenols Mix 1, Supelco®, Analytical standard, in isopropanol (varied conc.), : N/A
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Acidity (as CaCO₃), concentrate, (CRM), Supelco®
Supplier: Merck
Acidity (as CaCO3), concentrate, Supelco®, Certified reference material, : N/A
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EPA 8260 volatiles calibration mix, certified reference material, Supelco®
Supplier: Merck
EPA 8260 Volatiles Calibration Mix, Supelco®, Certified reference material, 2000 mug/mL each component in methanol, : N/A
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EPA TCL Pesticides mix, certified reference material, Supelco®
Supplier: Merck
EPA TCL Pesticides Mix, Supelco®, Certified reference material, 2000 mug/mL each component in hexane: toluene (1:1)
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Total Phenolics, (CRM), Supelco®
Supplier: Merck
Total Phenolics, Supelco®, Certified reference material, : N/A
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Residual Chlorine - Constant Value, (CRM), Supelco®
Supplier: Merck
Residual Chlorine - Constant Value, Supelco®, Certified reference material, : N/A
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EPA 608 pesticides mix, certified reference material, Supelco®
Supplier: Merck
EPA 608 Pesticides Mix, Supelco®, Certified reference material, 20 mug/mL each component in hexane: toluene (1:1)
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pH and conductivity in seawater, analytical standard, Supelco®
Supplier: Merck
pH and Conductivity in Seawater, Supelco®, : N/A
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UV254 - Whole Volume - WS, Proficiency Testing Material, Supelco®
Supplier: Merck
UV254 - Whole Volume - WS, Supelco®, Proficiency Testing Material, : N/A
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Catalog #: 83639.320
Anbieter: VWR Chemicals
Catalog #: 20864.320
Anbieter: VWR Chemicals
Catalog #: 215-1592
Anbieter: VWR Collection
Catalog #: 83640.320
Anbieter: VWR Chemicals
Catalog #: 31770.294
Anbieter: VWR Chemicals
Catalog #: 1.00030.2500
Anbieter: Merck
Catalog #: 83645.320
Anbieter: VWR Chemicals