Standard per torbidità
Prima di testare la perdita di luce trasmessa dovuta a particelle diffondenti, l’apparecchiatura viene calibrata con standard di torbidità per garantire l’affidabilità delle prestazioni. Gli standard primari di formazina possono essere utilizzati per misurare e determinare i valori di tutti gli altri standard. Dopo aver stabilito la stabilità, le soluzioni secondarie pre-miscelate confermano che i misuratori funzionano correttamente, garantendo la massima chiarezza di lettura. Questi standard di torbidità sono utilizzati di routine per verificare l’efficacia nei processi di trattamento delle acque.
Turbidity - WP, Certified Reference Material, Supelco®
Supplier: Merck
Standard per torbidità, Turbidity - WP, Tipo: Formazine, Ampoule
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Turbidity - Whole Volume - WP, Proficiency Testing Material, Supelco®
Supplier: Merck
Standard per torbidità, Turbidity - Whole Volume - WP
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VWR®, Turbidity standards Set
Supplier: VWR Chemicals
Turbidity standards in kit form or alternatively as formazine stock solutions which allows users to create their own defined standards.
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Standard di calibrazione per Turbiquant®, Supelco®
Supplier: Merck
Standard per torbidità, Set di calibrazione per Turbiquant® 3000T, 100 NTU, 1750 NTU, 0,02 NTU, 10,0 NTU
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Turbidity calibration standards, formazin, Supelco®
Supplier: Merck
Standard per torbidità, Turbidity calibration standard, formazin, 50 NTU, Tipo: Formazine
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Turbidity - WP, Certified Reference Material, Supelco®
Supplier: Merck
Standard per torbidità, Turbidity - QC, Tipo: Formazine
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Total suspended solids calibration standards, Supelco®
Supplier: Merck
Total suspended solids (TSS) is the dry-weight of suspended particles, that are not dissolved, in a sample of water that can be trapped by a filter.
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McFarland Barium Sulphate Turbidity Standard
Supplier: LIOFILCHEM
Standard per torbidità
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McFarland turbidity standards, Remel™
Supplier: THERMO FISHER DIAGNOSTICS
These McFarland equivalence turbidity standard is packed in plastic case with a visual comparision card. Tube size of 15×103 mm.
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VWR®, Turbidity standards, formazin
Supplier: VWR Chemicals
All turbidity standard solutions are Certified Reference Materials.
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Calibration Cylinder Kit, for Models 1720 E, D and C
Supplier: Hach
Standard per torbidità, Stablcal® stabilized formazine standard, 4000 NTU, Tipo: Formazine, 5×100 ml
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Standard per 2100N e 2100N IS
Supplier: Hach
Standard per torbidità, Kit di calibrazione: set di flaconi StabCal®, 4000 NTU, 200 NTU, 20 NTU, < 0,1 NTU, 1000 NTU, Tipo: Formazina, 5× 500 ml
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Turbidity standard, ULR verification kit, Stablcal®
Supplier: Hach
Stablcal® verification kit containing 0.10 NTU, 0.30 NTU, 0.50 NTU, 1.0 NTU standards (100 ml each), sililcone oil, oiling cloth and instructions is used for verification purpose only.
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Tubidity standards for 2100A
Supplier: Hach
Stablcal Stabilised Formazin Turbidity Standards are true formazin dilutions developed for use in any turbidimeter.
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Gelex kit standard secondari per serie 2100
Supplier: Hach
Gelex secondary standards kit for 2100P and 2100Q series portable turbidimeters (includes 1 sealed vial each for 0 to 10 NTU, 10 to 100 NTU, 100 to 1000 NTU).
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Standard per 2100AN e 2100AN IS
Supplier: Hach
Standard per torbidità, Standard di torbidità alla formazina, 7500 NTU, Tipo: Formazina, 1× sealed vial
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