표준 물질
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® ARISTAR®, Lanthanum Standard Solutions for ICP-MS
Supplier: VWR Chemicals
Lanthanum Standard, 1000 mg/L, VWR® ARISTAR®, Lanthanum, Matrix: 2-5% HNO₃, Application: ICP-MS standards
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VWR®, Propyzamide neat Certified Reference Material
Supplier: VWR Chemicals
Organic Standard, Propyzamide neat Certified Reference Material, 포장 유형: Glass ampoule
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VWR® ARISTAR®, Multi-Element Quality Control Standard 2 in dil. Nitric Acid for ICP-MS
Supplier: VWR Chemicals
25 Elements in 5% nitric acid solution.
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VWR®, Pesticide reference standard, Performance Check Solution pesticides and PCBs, EPA 608
Supplier: VWR Chemicals
17 components.
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VWR® ARISTAR®, Calcium Standard Solution, 1000 mg/L Ca in dil. Nitric Acid (from Ca), Standard for Ion Chromatography
Supplier: VWR Chemicals
Ca in dilute HNO₃.
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VWR®, Sulphite (in HSO³⁻) 1000 mg/L in Water standard for ion chromatography
Supplier: VWR Chemicals
Sulphite (HSO₃-) standard solution, 1000 mg/l, VWR®, Contents: NaHSO₃HCOH in H₂O, Application: Ion chromatography standards
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VWR® ARISTAR®, ICP Multi-Element Calibration Standard 3 in dilute Nitric Acid
Supplier: VWR Chemicals
In 2% nitric acid solution.
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VWR® ARISTAR®, ICP Multi-Element Solution diluted According USP 232 Oral dose, 8 Elements in 7% Nitric Acid
Supplier: VWR Chemicals
Eight elements in 7% nitric acid.
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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®, Nitrite 1000 mg/L in water standard for ion chromatography
Supplier: VWR Chemicals
Nitrite standard solution, 1000 mg/l, VWR®, Contents: NaNO₂ in H₂O, Application: Ion chromatography 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® AVS TITRINORM, Cesium Standard Solution, 1000 mg/L Cs in dil. Nitric Acid, Standard for AAS
Supplier: VWR Chemicals
Cesium Standard, 1000 mg/L, VWR® AVS TITRINORM, Cesium, Matrix: 2% HNO₃, Application: AAS standards
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VWR®, Mixed Anions Standard, 7 components in H₂O
Supplier: VWR Chemicals
7 components: 100 mg/l each of Chlorides (Cl-), Fluorides (F-), Sulphates (SO42-), Nitrates (NO3-), Nitrites (NO2-), Bromides (Br-), Phosphates (PO43-) in H₂O
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VWR®, Tartrate 1000 mg/L in Water standard for ion chromatography
Supplier: VWR Chemicals
Tartrate 1,000 mg/l in water standard for ion chromatography, 1000 mg/l, VWR®, Contents: C₄H₆O₆ in H₂O, Application: Ion chromatography standards
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VWR® ARISTAR®, ICP Multi-Element Solution, 4 Elements in Nitric Acid 7%
Supplier: VWR Chemicals
ICP multi-element solution according to USP 232 dietary supplements.
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VWR®, Benzoate 1,000 mg/L in Water standard for ion chromatography
Supplier: VWR Chemicals
Benzoate standard solution, 1000 mg/l, VWR®, Contents: C₆H₅COOH in H₂O, Application: Ion chromatography standards
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#: 20864.320
Supplier: VWR Chemicals
#: 83640.320
Supplier: VWR Chemicals
#: 31770.294
Supplier: VWR Chemicals
#: 83645.320
Supplier: VWR Chemicals