standards
Meeting regulations in any industry, standards are essential for periodically checking the accuracy of equipment pieces. By comparing against the known values, output readings detect errors present and inform personnel adjustments are required. Once the settings of the manual or automatic instruments have returned to zero, the reestablished conditions will yield optimal working performance. Calibrating with concentrated standards eliminates the possibility that environmental changes will induce instrumental miscalculation when accuracy matters most.
VWR® AVS TITRINORM, Titanium Standard Solution, 1000 mg/l Ti in 5% Nitric Acid with Hydrofluoric Acid (max. 1%), Standard for AAS
Supplier: VWR Chemicals
Titanium Standard, 1000 mg/L, VWR® AVS TITRINORM, Titanium, Matrix: 5% HNO₃, Application: AAS standards
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VWR® AVS TITRINORM, Vanadium Standard Solution, 1000 mg/L V in 2% sulphuric Acid, Standard for AAS
Supplier: VWR Chemicals
Vanadium Standard, 1000 mg/L, VWR® AVS TITRINORM, Vanadium, Matrix: 2% H₂SO₄, Application: AAS standards
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VWR®, Tungsten standard solution, 1000 mg/L W in nitric acid with hydrofluoric acid (each max. 1%) AVS TITRINORM standard for AAS
Supplier: VWR Chemicals
Tungsten Standard, 1000 mg/L, VWR®, Tungsten, Matrix: 1% HNO₃/2% HF, Application: AAS standards
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VWR® AVS TITRINORM, Zinc Standard Solution, 1000 mg/L Zn in dil. Nitric Acid, Standard for AAS
Supplier: VWR Chemicals
Zinc Standard, 1000 mg/L, VWR® AVS TITRINORM, Zinc, Matrix: 2% HNO₃, Application: AAS standards
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VWR®, Colour standard solutions, Reag. Ph. Eur.
Supplier: VWR Chemicals
Ready to use colour solutions according to Reag. Ph. Eur.
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VWR® Conductivity standard, CRM, 5000 μS/cm
Supplier: VWR Chemicals
Directly traceable to NIST, tested and certified to ISO17025 and ISO 17034
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VWR®, Standards for the determination of Hydrocarbon Oil Index (HOI)
Supplier: VWR Chemicals
VWR® offers a complete range of products for the determination of the hydrocarbon oil index (HOI) in accordance with EN ISO 9377-2 (DIN H53).
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VWR® Traceable® One-Shot™, Conductivity standards (CRM)
Supplier: VWR Collection
Traceable® Conductivity Standards are among the most accurate available. They are compatible with all makes of equipment, and can be used in lab or field. Each bottle is labeled for calibrating conductivity (microsiemens/micromhos), resistivity (ohms), and dissolved solids (parts per million).
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VWR®, Conductivity standard 1000 µS/cm (25 °C; 0,007 mol/L; KCl) for conductivity measurement
Supplier: VWR Chemicals
Directly traceable to NIST, tested and certified to ISO17025.
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VWR®, Standard solution (1000 ppm NO₃) for the preparation of nitrate standard solution (100 ppm NO₃) Reag. Ph. Eur.; 5002100
Supplier: VWR Chemicals
Nitrate standard solution, 1000 mg/l, VWR®, Contents: KNO₃ in H₂O, Application: Ion chromatography standards
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VWR®, Standard solution (500 ppm PO₄) for the preparation of phosphate standard solution (5 ppm PO₄) Reag.Ph.Eur. 5002200
Supplier: VWR Chemicals
Phosphate standard solution Ph Eur N 5002200, 500 mg/l, VWR®, Matrix: H₂O, Application: Pharmaceutical standards
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VWR®, Standard solution (1000 ppm SO₄) for the preparation of sulphate standard solution (100 ppm SO₄) Reag.Ph.Eur. 5002802
Supplier: VWR Chemicals
Standard solution (1000 ppm SO₄), 1000 mg/l, VWR®, Contents: K₂SO₄ in H₂O, Application: Pharmaceutical standards
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VWR®, Standard solution (1000 ppm Ca) for the preparation of calcium standard solution (100 ppm Ca), alcoholic Reag. Ph. Eur., 5000802
Supplier: VWR Chemicals
Calcium Standard, 1000 mg/L, VWR®, Calcium
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Standard solution (200 ppm Fe) for the preparation of iron standard solution (20 ppm Fe) Reag. Ph. Eur.; 5001600
Supplier: VWR Chemicals
Iron Standard, 200 mg/L, VWR®, Iron, Matrix: 2% H₂SO₄, Application: Environmental standards
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VWR®, Standard solution (250 ppm NH₄) for the preparation of Ammonium standard solution (2.5 ppm NH₄) Reag.Ph.Eur.; 5000301
Supplier: VWR Chemicals
Ammonium Standard, Ammonium standard solution, 250 mg/L, VWR®, Matrix: H₂O
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VWR®, Standard solution (1000 ppm SO₄) for the preparation of sulphate standard solution (10 ppm SO₄) R1 Reag. Ph. Eur. 5002801
Supplier: VWR Chemicals
Standard solution (1000 ppm SO₄) R1 Reag. Ph. Eur. 5002801, 1000 mg/l, VWR®, Contents: K₂SO₄ in H₂O, Application: Pharmaceutical standards
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