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13090 results for Standards

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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.

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(-)-Epicatechin, Reference Standard

Supplier: USP

USP Reference Standards are specified for use in conducting official USP–NF tests and assays. USP also provides Reference Standards specified in the Food Chemicals Codex as well as authentic substances—high-quality chemical samples—as a service to analytical, clinical, pharmaceutical and research laboratories. To confirm accuracy and reproducibility, USP Reference Standards are rigorously tested and evaluated by multiple independent laboratories including USP, commercial, regulatory, and academic labs. USP also provide publicly available, official documentary standards for pharmaceutical ingredients in the USP–NF that link directly with our primary reference standards.

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Eleutheroside, Reference Standards

Supplier: USP

USP Reference Standards are specified for use in conducting official USP–NF tests and assays. USP also provides Reference Standards specified in the Food Chemicals Codex as well as authentic substances—high-quality chemical samples—as a service to analytical, clinical, pharmaceutical and research laboratories. To confirm accuracy and reproducibility, USP Reference Standards are rigorously tested and evaluated by multiple independent laboratories including USP, commercial, regulatory, and academic labs. USP also provide publicly available, official documentary standards for pharmaceutical ingredients in the USP–NF that link directly with our primary reference standards.

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J.T.Baker®, Antimony Standard Solution, 1000 mg/L Sb in dil. Nitric Acid (from Antimony (III) potassium oxitartrate trihydrate) Standard for AAS

Supplier: Avantor

Antimony Standard, 1000 mg/L, J.T.Baker®, J.T. Baker®, Antimony, Matrix: 2-5% HNO₃, Application: AAS standards

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VWR® PESTINORM®, 1,2-Dichloroethane, Secondary Reference Standard for GC

VWR® PESTINORM®, 1,2-Dichloroethane, Secondary Reference Standard for GC

Supplier: VWR Chemicals

A secondary GC solvent reference standard for various chromatographic and analytical applications.

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VWR® PESTINORM®, Butyl Acetate, Secondary Reference Standard for GC

VWR® PESTINORM®, Butyl Acetate, Secondary Reference Standard for GC

Supplier: VWR Chemicals

A secondary GC solvent reference standard for various chromatographic and analytical applications.

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VWR® AVS TITRINORM, Samarium Standard Solution, 1000 mg/L Sm in dil. Nitric Acid, Standard for AAS

VWR® AVS TITRINORM, Samarium Standard Solution, 1000 mg/L Sm in dil. Nitric Acid, Standard for AAS

Supplier: VWR Chemicals

Samarium Standard, 1000 mg/L, VWR® AVS TITRINORM, Samarium, Matrix: 2% HNO₃, Application: AAS standards

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VWR® PESTINORM®, Dichloromethane (DCM) Stabilised, Secondary Reference Standard for GC

VWR® PESTINORM®, Dichloromethane (DCM) Stabilised, Secondary Reference Standard for GC

Supplier: VWR Chemicals

A secondary GC solvent reference standard for various chromatographic and analytical applications.

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VWR®, Acetate 1000 mg/L in water standard for ion chromatography

VWR®, Acetate 1000 mg/L in water standard for ion chromatography

Supplier: VWR Chemicals

Acetate standard solution, 1000 mg/l, VWR®, Contents: CH₃COOH in H₂O, Application: Ion chromatography standards

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Sodium standard solution, 1,000 mg/L Na in 0.5 M nitric acid standard for AAS

Supplier: Thermo Fisher Scientific

Sodium Standard, 1000 mg/L, Sodium, Matrix: 0,5 M HNO₃, Application: AAS standards

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Vanadium standard solution, 10000 mg/L V in 5% nitric acid (from V₂O₃), standard for ICP, Specpure®

Supplier: Thermo Fisher Scientific

Vanadium Standard, 10000 mg/L, Specpure®, Vanadium, Matrix: 5% HNO₃, Application: ICP standards

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Vanadium standard solution, 1000 mg/L V in 5% nitric acid (from V₂O₃), standard for ICP, Specpure®

Supplier: Thermo Fisher Scientific

Vanadium Standard, 1000 mg/L, Specpure®, Vanadium, Matrix: 5% HNO₃, Application: ICP standards

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Yttrium standard solution, 1000 mg/L Y in 5% nitric acid (from Y₂O₃), standard for ICP, Specpure®

Supplier: Thermo Fisher Scientific

Yttrium Standard, 1000 mg/L, Specpure®, Yttrium, Matrix: 5% HNO₃, Application: ICP standards

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VWR®, Potassium standard solutions for ICP-MS, ARISTAR®

VWR®, Potassium standard solutions for ICP-MS, ARISTAR®

Supplier: VWR Chemicals

Potassium Standard, 1000 ppm, VWR®, Potassium, Matrix: 2-5% HNO₃, Application: ICP-MS standards

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VWR® AVS TITRINORM, Bismuth Standard Solution, 1000 mg/L Bi in 10% Nitric Acid, Standard for AAS

VWR® AVS TITRINORM, Bismuth Standard Solution, 1000 mg/L Bi in 10% Nitric Acid, Standard for AAS

Supplier: VWR Chemicals

Bismuth Standard, 1000 mg/L, VWR® AVS TITRINORM, Bismuth, Matrix: 10% HNO₃, Application: AAS standards

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Acarbose, Reference Standard

Supplier: USP

USP Reference Standards are specified for use in conducting official USP–NF tests and assays. To confirm accuracy and reproducibility, USP Reference Standards are rigorously tested and evaluated by multiple independent laboratories including USP, commercial, regulatory, and academic labs. USP also provide publicly available, official documentary standards for pharmaceutical ingredients in the USP–NF that link directly with our primary reference standards.

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VWR® AVS TITRINORM, Calcium Standard Solution, 1000 mg/L Ca in dil. Nitric Acid (from Ca(NO₃)₂), Standard for AAS

VWR® AVS TITRINORM, Calcium Standard Solution, 1000 mg/L Ca in dil. Nitric Acid (from Ca(NO₃)₂), Standard for AAS

Supplier: VWR Chemicals

Calcium Standard, 1000 mg/L, VWR® AVS TITRINORM, Calcium, Matrix: 2% HNO₃, Application: AAS standards

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VWR® AVS TITRINORM, Titanium Standard Solution, 1000 mg/l Ti in 5% Nitric Acid with Hydrofluoric Acid (max. 1%), Standard for AAS

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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Praseodymium standard solution, 10000 mg/L Pr in 5% nitric acid (from Pr₆O₁₁), standard for ICP, Specpure®

Supplier: Thermo Fisher Scientific

Praseodymium Standard, 10000mg/L, Specpure®, Praseodymium, Matrix: 5% HNO₃, Application: ICP standards

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Valganciclovir, Reference Standards

Supplier: USP

USP Reference Standards are specified for use in conducting official USP–NF tests and assays. USP also provides Reference Standards specified in the Food Chemicals Codex as well as authentic substances—high-quality chemical samples—as a service to analytical, clinical, pharmaceutical and research laboratories. To confirm accuracy and reproducibility, USP Reference Standards are rigorously tested and evaluated by multiple independent laboratories including USP, commercial, regulatory, and academic labs. USP also provide publicly available, official documentary standards for pharmaceutical ingredients in the USP–NF that link directly with our primary reference standards.

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Neomycin, Reference Standards

Supplier: USP

USP Reference Standards are specified for use in conducting official USP–NF tests and assays. USP also provides Reference Standards specified in the Food Chemicals Codex as well as authentic substances—high-quality chemical samples—as a service to analytical, clinical, pharmaceutical and research laboratories. To confirm accuracy and reproducibility, USP Reference Standards are rigorously tested and evaluated by multiple independent laboratories including USP, commercial, regulatory, and academic labs. USP also provide publicly available, official documentary standards for pharmaceutical ingredients in the USP–NF that link directly with our primary reference standards.

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VWR® AVS TITRINORM, Thallium Standard Solution, 1000 mg/L Tl in dil. Nitric Acid, Standard for AAS

VWR® AVS TITRINORM, Thallium Standard Solution, 1000 mg/L Tl in dil. Nitric Acid, Standard for AAS

Supplier: VWR Chemicals

Thallium Standard, 1000 mg/L, VWR® AVS TITRINORM, Thallium, Matrix: Nitric acid dil., Application: AAS standards

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ARISTAR®, Erbium Standard Solutions for ICP-MS

ARISTAR®, Erbium Standard Solutions for ICP-MS

Supplier: VWR Chemicals

Erbium Standard, 10 mg/L, VWR® ARISTAR®, Erbium, Matrix: 2-5% HNO₃, Application: ICP-MS standards

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Fumonisin Standard Solutions

Supplier: Apollo Scientific

Analytical reference standard solutions derived from Fusarium moniliforme. Also known as Macrofusine

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VWR®, Sulphate 1000 mg/L in water standard for ion chromatography

VWR®, Sulphate 1000 mg/L in water standard for ion chromatography

Supplier: VWR Chemicals

Sulphate standard solution, 1000 mg/L, VWR®, Contents: Na₂SO₄ in H₂O, Application: Ion chromatography standards

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VWR®, Strontium 1000 mg/L in water standard for ion chromatography

VWR®, Strontium 1000 mg/L in water standard for ion chromatography

Supplier: VWR Chemicals

Strontium Standard, 1000 mg/L, VWR®, Strontium, Matrix: H₂O, Application: Ion chromatography standards

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VWR® ARISTAR®, Dysprosium Standard Solutions for ICP-MS

VWR® ARISTAR®, Dysprosium Standard Solutions for ICP-MS

Supplier: VWR Chemicals

Dysprosium Standard, 10 mg/L, VWR® ARISTAR®, Dysprosium, Matrix: 2-5% HNO₃, Application: ICP-MS standards

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VWR® ARISTAR®, Indium Standard Solutions for ICP-MS

VWR® ARISTAR®, Indium Standard Solutions for ICP-MS

Supplier: VWR Chemicals

Indium Standard, 1000 mg/L, VWR® ARISTAR®, Indium, Matrix: 2-5% HNO₃, Application: ICP-MS standards

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VWR® ARISTAR®, Strontium Standard Solutions for ICP-MS

VWR® ARISTAR®, Strontium Standard Solutions for ICP-MS

Supplier: VWR Chemicals

Strontium Standard, 10 mg/L, VWR® ARISTAR®, Strontium, Matrix: 2% HNO₃, Application: ICP-MS standards

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ARISTAR®VWR® , Iridium Standard Solutions for ICP-MS

ARISTAR®VWR® , Iridium Standard Solutions for ICP-MS

Supplier: VWR Chemicals

Iridium Standard, 1000 mg/L, VWR® ARISTAR®, Iridium, Matrix: 10% HCl, Application: ICP-MS standards

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