214 Results for: "Analytical Standards"
VWR® PESTINORM®, Acetone, 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
Supplier: VWR Chemicals
A secondary GC solvent reference standard for various chromatographic and analytical applications.
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Sodium hydroxide ≥98% (by acidimetry), pellets, AR® ACS, Macron Fine Chemicals™
Supplier: MACRON AVANTOR BRAND
AR - The standard Macron Fine Chemicals™ grade of analytical reagents; suitable for laboratory and general use.
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Sodium chloride ≥99.0% (by argentometric titration), crystals, AR® ACS, Macron Fine Chemicals™
Supplier: MACRON AVANTOR BRAND
AR - The standard Macron Fine Chemicals™ grade of analytical reagents; suitable for laboratory and general use.
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VWR®, Cold Cranking Simulator (CCS) viscosity standards
Supplier: VWR Chemicals
High quality CCS viscosity standards are ideal for the calibration and verification of analytical equipment used in Cold Cranking Simulator (CCS) testing.
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Sodium acetate trihydrate 99.0-101.0%, granular, AR® ACS, Macron Fine Chemicals™
Supplier: MACRON AVANTOR BRAND
AR—The standard Macron Fine Chemicals™ grade of analytical reagents; suitable for laboratory and general use. If the reagent also meets the requirements of the American Chemical Society Committee on Analytical Reagents, it will be denoted as an AR (ACS) reagent.
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VWR®, Total Base Number (TBN) standards
Supplier: VWR Chemicals
Total Base Number (TBN) standards are specifically manufactured for the verification of analytical instruments used to determine base number by potentiometric titration. Each standard is certified in strict accordance with international test method protocols, ASTM D2896 / IP 276.
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VWR®, Total Acid Number (TAN) standards
Supplier: VWR Chemicals
Total Acid Number (TAN) standards are specifically manufactured for the verification of analytical instruments used to determine acid number by potentiometric titration. Each standard is certified in strict accordance with international test method protocols, ASTM D664 / IP 177.
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Grade 3 qualitative filter papers, Whatman™
Supplier: CYTIVA WHATMAN
A standard grade filter used in qualitative analytical techniques to determine and identify materials. For use in büchner funnels.
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VWR®, Synthetic Sea Water Analytical Reagent manufactured in accordance with ASTM D665 / IP 135
Supplier: VWR Chemicals
A high quality analytical reagent manufactured and certified compliant for use in ASTM D 665 / IP 135 the Standard Test Method for Rust-Preventing Characteristics of Inhibited Mineral Oil in the Presence of Water.
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VWR® PESTINORM®, 1,4-Dioxane, Stabilised, Secondary Reference Standard for GC
Supplier: VWR Chemicals
Stabilised with BHT (2,6-Di-tert-butyl-p-cresol, 2,6-Di-tert-butyl-4-methylphenol, Ionol) 20 ppm. A secondary GC solvent reference standard for various chromatographic and analytical applications.
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Qualitative filter papers, standard grades, grade 594 ¹/₂, Whatman™
Supplier: CYTIVA WHATMAN
These cellulose filters are used in qualitative analytical techniques to determine and identify materials. A standard grade filter paper for fine precipitates.
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ISE standards
Supplier: HACH
ISE standards are used to calibrate ion selective electrode measurement systems by coresponding the electrode output with the concentration of the analyte. Pairs of standards with concentrations that differ by a factor of ten are used for analysis.
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Qualitative filter papers, standard grades, grade 593 ¹/₂, Whatman™
Supplier: CYTIVA WHATMAN
These cellulose filters are used in qualitative analytical techniques to determine and identify materials. A standard grade filter paper for fine precipitates.
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Standards, calibration for LCK cuvettes, Addista
Supplier: HACH
System for Analytical Quality Assurance (AQA), consisting of one combined standard/spiking solution and two round robin test solutions.
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VWR® PESTINORM®, Di-isopropyl Ether, Stabilised, Secondary Reference Standard for GC
Supplier: VWR Chemicals
Stabilised with BHT (2,6-Di-tert-butyl-p-cresol, 2,6-Di-tert-butyl-4-methylphenol, Ionol) 40 ppm. A secondary GC solvent reference standard for various chromatographic and analytical applications.
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VWR® PESTINORM®, Gas Chromatography (GC) Certified Reference Material
Supplier: VWR Chemicals
Due to its excellent separation capacity and its high sensitivity gas chromatography is a widely used technique for analytical purposes. In order to get proper identification and quantification results of the analysed compounds, reference standards are needed. These PESTINORM® reference substances can be used for the characterisation of GC column properties. In addition they may also be used for the identification of unknown compounds in a gas chromatogram or as standards in quantitative GC analysis.
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Grade 4 qualitative filter papers, Whatman™
Supplier: CYTIVA WHATMAN
Whatman Grade 4 Qualitative Filter Papers are a standard grade, high flow rate filter paper. They are useful in qualitative analytical separations when fast flow is required and the collection of fine particles is not critical.
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Qualitative filter papers, grade 595, Whatman™
Supplier: CYTIVA WHATMAN
A standard grade filter used for many routine analytical applications in different industries (e.g., particle separation from food extracts or filtration of solids from digested environmental samples for iCP/AAs analysis).
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Qualitative filter papers, standard grades, grade 1 and 1V, Whatman™
Supplier: CYTIVA WHATMAN
Whatman Grade 1 Qualitative Filter Papers are the most widely used filter paper for routine laboratory applications, qualitative analytical separations, and clarifying liquids. They are the standard grade cellulose filter papers for medium flow rates.
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Crospovidone, Reference Standard
Supplier: U.S. PHARMACOPEIA
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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Retinyl Acetate, Reference Standard
Supplier: U.S. PHARMACOPEIA
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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Riboflavin, Reference Standard
Supplier: U.S. PHARMACOPEIA
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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Methylene Blue, Reference Standard
Supplier: U.S. PHARMACOPEIA
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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Tyloxapol, Reference Standard
Supplier: U.S. PHARMACOPEIA
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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Thiamine Hydrochloride, Reference Standard
Supplier: U.S. PHARMACOPEIA
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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Cetyl Alcohol, Reference Standard
Supplier: U.S. PHARMACOPEIA
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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Methyl Myristate, Reference Standard
Supplier: U.S. PHARMACOPEIA
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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Stearyl Alcohol, Reference Standard
Supplier: U.S. PHARMACOPEIA
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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Sodium Lauryl Sulfate, Reference Standard
Supplier: U.S. PHARMACOPEIA
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.