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.
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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Certified reference materials for environmental analysis, IRMM BCR®
Supplier: LGC Standards PROMOCHEM
White clover (trace elements)
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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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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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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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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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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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Catalog #: 83639.320
Supplier: VWR Chemicals
Catalog #: 20864.320
Supplier: VWR Chemicals
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Supplier: VWR Collection
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Supplier: VWR Chemicals
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Supplier: VWR Chemicals
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Supplier: Merck
Catalog #: 83645.320
Supplier: VWR Chemicals