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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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2-Acetylpyridine, 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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N-Acetylglucosamine, 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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Thioridazine, 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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Actein, 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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VWR®, Ammonium 1000 mg/L in water standard for Ion Chromatography

VWR®, Ammonium 1000 mg/L in water standard for Ion Chromatography

Supplier: VWR Chemicals

Ammonium Standard, Ammonium standard solution, 1000 mg/L, VWR®, Contents: NH₄Cl in H₂O, Application: Ion chromatography standards

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

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

Supplier: VWR Chemicals

Nitrate standard solution, 1000 mg/l, VWR®, Contents: NH₄NO₃ in H₂O, Application: Ion chromatography standards

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VWR®, Fluoride 1,000 mg/L in Water standard for ion chromatography

VWR®, Fluoride 1,000 mg/L in Water standard for ion chromatography

Supplier: VWR Chemicals

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

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VWR®, Iodide 1,000 mg/L in water standard for ion chromatography

VWR®, Iodide 1,000 mg/L in water standard for ion chromatography

Supplier: VWR Chemicals

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

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

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

Supplier: VWR Chemicals

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

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

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

Supplier: VWR Chemicals

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

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

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

Supplier: VWR Chemicals

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

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

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

Supplier: VWR Chemicals

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

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VWR® AVS TITRINORM, Silicon Standard Solution, 1000 mg/L Si in Water, Standard for AAS

VWR® AVS TITRINORM, Silicon Standard Solution, 1000 mg/L Si in Water, Standard for AAS

Supplier: VWR Chemicals

Silicium Standard, 1000 mg/L, VWR® AVS TITRINORM, Silicon, Matrix: H₂O, Application: AAS standards

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ARISTAR®VWR® , Erbium Standard Solution, 10000 mg/l Er in dil. Nitric Acid (from Er2O3), Standard for ICP

ARISTAR®VWR® , Erbium Standard Solution, 10000 mg/l Er in dil. Nitric Acid (from Er2O3), Standard for ICP

Supplier: VWR Chemicals

Erbium Standard, 10000 mg/L, VWR® ARISTAR®, Erbium, Matrix: 2-5% HNO₃, Application: ICP standards

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VWR®, Rhenium standard solution, 1,000 mg/l Re in dil. nitric acid AVS TITRINORM standard for AAS

VWR®, Rhenium standard solution, 1,000 mg/l Re in dil. nitric acid AVS TITRINORM standard for AAS

Supplier: VWR Chemicals

Rhenium Standard, 1000 mg/L, VWR®, Rhenium, Matrix: 2-5% HNO₃, Application: AAS standards

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VWR® PESTINORM®, 1-Propanol, Secondary Reference Standard for GC

VWR® PESTINORM®, 1-Propanol, 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®, Toluene, Secondary Reference Standard for GC

VWR® PESTINORM®, Toluene, 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®, n-Heptane, secondary reference standard for GC, PESTINORM®

VWR®, n-Heptane, secondary reference standard for GC, PESTINORM®

Supplier: VWR Chemicals

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

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VWR® PESTINORM®, n-Hexane, Secondary Reference Standard for GC

VWR® PESTINORM®, n-Hexane, 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®, Magnesium 1000 mg/L in water standard for ion chromatography

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

Supplier: VWR Chemicals

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

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VWR®, Trimethylamine 1000 mg/l in water standard for ion chromatography

VWR®, Trimethylamine 1000 mg/l in water standard for ion chromatography

Supplier: VWR Chemicals

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

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

VWR® PESTINORM®, Ethyl 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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Semiquantitative Standard 2, Specpure®

Supplier: Thermo Fisher Scientific

Multi-Element Standard, Semiquantitative Standard 2, Specpure®, Application: ICP standards

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VWR®, Turbidity standards, formazin

VWR®, Turbidity standards, formazin

Supplier: VWR Chemicals

All turbidity standard solutions are Certified Reference Materials.

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VWR® AVS TITRINORM, Beryllium Standard Solution, 1000 mg/L Be in 2% Hydrochloric Acid, Standard for AAS

VWR® AVS TITRINORM, Beryllium Standard Solution, 1000 mg/L Be in 2% Hydrochloric Acid, Standard for AAS

Supplier: VWR Chemicals

Beryllium Standard, 1000 mg/L, VWR® AVS TITRINORM, Beryllium, Matrix: 2% HCl, Application: AAS 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®, 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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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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VWR® ARISTAR®, Molybdenum Standard Solutions for ICP-MS

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

Supplier: VWR Chemicals

Molybdenum Standard, 1000 mg/L, VWR® ARISTAR®, Molybdenum, Matrix: H₂O/tr.NH₄OH, Application: ICP-MS standards

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

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

Supplier: VWR Chemicals

Titanium Standard, 1000 mg/L, VWR® ARISTAR®, Titanium, Matrix: H₂O/tr HF, Application: ICP-MS standards

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