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.
Environmental standards, DSJ PCB mixture, CIL
Supplier: LGC Standards PROMOCHEM
DSJ PCB mixture, unlabeled PCBs, CIL, 1 ml in isooctane
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EPA method 1668A/B labelled cleanup standards, in nonane
Supplier: LGC Standards PROMOCHEM
EPA method 1668A /B standard, 1,2 ml in nonane
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Hydrazine Sulphate Solution
Supplier: CUSTOM MADE CHEMICALS LAB
Hydrazine sulphate solution
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Nitrogen (Total) Standard Solution, CRM
Supplier: CUSTOM MADE CHEMICALS LAB
Total nitrogen standard (100 mg/L) - for photometric applications.
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Certified reference materials for environmental analysis, IRMM BCR®
Supplier: LGC Standards PROMOCHEM
White clover (trace elements)
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Standards for water pollution QC check, oil and grease concentrate, VHG
Supplier: LGC Standards PROMOCHEM
This material is designed for use as a quality control check for EPA method 1664. This standard is prepared in solvent n-propanol but not preserved.
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Standards for water analysis, total kjeldahl nitrogen standard, VHG
Supplier: LGC Standards PROMOCHEM
This standard solution is intended for use as a calibration standard for total kjeldahl nitrogen (TKN).
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BOD standard solutions, VHG
Supplier: LGC Standards PROMOCHEM
The standard solution is intended for use as a glucose-glutamic acid standard check solution for biochemical oxygen demand (BOD) in APHA Method 5210 B.
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Chemical Oxygen Demand COD 50 mg/L Calibration Standard
Supplier: CUSTOM MADE CHEMICALS LAB
Chemical oxygen demand COD 50 mg/L calibration standard, : N/A, Calibration standard
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Standards for water pollution QC check, total phenolics, VHG
Supplier: LGC Standards PROMOCHEM
This solution is intended for use as a quality control check for methods related to total phenolics.
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Glass - trace elements, NIST standards
Supplier: LGC Standards PROMOCHEM
This standard reference material is intended to facilitate the development of chemical methods of analysis for trace elements.
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Standards for water pollution QC check, hexavalent chromium, VHG
Supplier: LGC Standards PROMOCHEM
This solution is intended for use as a quality control check for methods related to hexavalent chromium.
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Elemental analysis standards, portland cement (Ivory)
Supplier: LGC Standards PROMOCHEM
These are intended primarily for the evaluation and calibration of methods for analysis of cements and materials of similar matrix.
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Water hardness standard for ISE calibration, Orion™
Supplier: Thermo Orion
Water hardness standard for ISE calibration, Orion™, 100 ppm CaCO₃
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Hard Drinking Water UK Low Level Metals
Supplier: LGC Standards PROMOCHEM
Hard drinking water UK low level metals, : N/A
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#: 20864.320
Supplier: VWR Chemicals
#: 83640.320
Supplier: VWR Chemicals
#: 31770.294
Supplier: VWR Chemicals
#: 1.00030.2500
Supplier: Merck