Standards, C

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  • Conductivity Standards

    Thomas®

    Manufactured with a focus on quality, these solutions are NIST-traceable and should be used regularly for calibration purposes. Conductivity standards are manufactured under ISO 9001 quality standards and induction sealed caps ensure product integrity.

  • Citric acid

    bioWORLD

    Used in the preparation of citrate buffer for antigen and epitope unmasking in IHC. ACS Grade Insolubles: >0.005% Chloride: <0.001% Oxalate: <0.05% Phosphate: <0.001% Sulfate: <0.002% Iron: <0.0003% Lead: <0.0002% Appearance:…

  • Color Standard; APHA / Hazen (Platinum-Cobalt)

    Ricca Chemical

    Formula: Mixture  

  • Calcium

    bioWORLD

    A commonly occuring compound used as a buffer, calcium suppliment and antacid. Anhydrous Reagent Grade Lead: <0.001% Fluoride: <0.005% Arsenic: <0.0003% Magnesium and Alkali Salts: <1.0% Moisture: <2.0% Acidity: 9.0 Appearance: White…

  • COLOR STANDARD, Pt-Co, 10 units

    Labchem

  • Carbon Standard; Organic

    Ricca Chemical

    Organic Carbon Standard, 1 mL = 1 mg C, 1000 ppm C APHA/EPA - for Total Organic Carbon (TOC) Shelf Life: 12 months

  • Cupric Sulfate CS / EP Blue

    Ricca Chemical

  • 1000 ppm Carbon for TOC made from KHP

    Inorganic Ventures

    Inorganic Ventures' 1000 ppm Carbon for TOC made from KHP is a certified reference material set in a water matrix for stability. This carbon standard is Traceable to NIST and manufactured in accordance with our stringent Quality Assurance guidelines. One year Expiration Date . …

  • Cobaltous Chloride CS / EP

    Ricca Chemical

  • Calcium Standard Solution Traceable To SRM From NIST Ca(NO3)2 In HNO3 0.5 Mol/L…

    MilliporeSigma

    UN No.: 3264 pH: 0.5 (H2O, 20°C) Solubility: (20°C) soluble Density: 1.014 g/cm3 (20°C) Ignition Point: 0.5 (H2O, 20°C)

  • Cesium chloride

    A useful compound for density gradient centrifugation and various molecular biology applications. A reagent used in centrifugal isolation of lambda phage, plasmid DNA and RNA. Ultra Pure Grade A260 (50%, water): <0.05 Sodium: <0.03% Rubidium: 0.03% Potassium:…

  • CERIC AMMONIUM NITRATE, Primary Standard

    GFS Chemicals

    Redox titration

  • Calcium Carbonate, Chelometric Standard, ACS, 99.95-100.05%

    Alfa Aesar

    CAS Number: 471-34-1 MDL: MFCD00010906 EINECS: 207-439-9 Formula: CaCO3 Formula Weight: 100.09 Form: Powder Melting Point: 800° dec. Density: 2.930 Refractive Index: 1.6583 Grade Specifications Maximum level of impurities: Insoluble in…

  • Conductivity Standard 1413 uS/cm

    GFS Chemicals

    Potassium chloride 0.01M

  • Carrageenan

    bioWORLD

    A natural gelling agent from cultivated red seaweed. Gelatin used to achieve a soft firmness for semi-gelled cocktails or cold soup. It is used in pharmaceutical and food applications. Appearance: Powder

  • Calcium nitrate

    It is a chemical used in the manufacture of fertilizers. Also known as Calcium nitrate 4-hydrate Sensitivity: Hygroscopic Hazardous Materials Description: Calcium nitrate Hazard class or Division: 5.1 Identification Numbers: UN1454 Packaging Group: III *Applies…

  • CONOSTAN S-21 Series Standards

    SCP Science

    Oil based metal calibration standards for use with ICP, AA, rotrode, XRF, flame emission and other instruments. S-21: Ag, Al, B, Ba, Ca, Cd, Cr, Cu, Fe, Mg, Mn, Mo, Na, Ni, P, Pb, Si, Sn, Ti, V, Zn and K.

  • CYANIDE STANDARD, 1000ppm (1ml = 1mg CN)

    Labchem

  • L-Cysteine hydrochloride

    bioWORLD

    Used in fields of medicine, food processing, biological study, materials of chemical industry and so on. High Purity Grade Specific rotation: +.5.7 to +6.8° Moisture: 8.0-12.0% Chloride: 19.8-20.8% Sulfate: <0.03% Iron: <0.003% Heavy metals (as Pb):…

  • CONOSTAN® PremiSOLV™ ICP Solvent

    SCP Science

    PremiSolv is a zero-odor alternative to kerosene or xylene for use as a diluent or zero-point standard in ICP/DCP analysis of metals in oil and other organic fluids. PremiSolv Features: Extremely low odor - for a safer, more comfortable working environment Extremely low toxicity -…

  • Conductivity Standard - 600 µmhos/cm

    MilliporeSigma

    EC Number: 231-791-2 This certified reference material (CRM) is produced and certified in accordance with ISO Guide 34:2009 and ISO/IEC 17025:2005. All information regarding the use of this CRM can be found on the certificate of analysis. Other Notes Values of analytes vary lot to…

  • Claritas PPT Grade Instrument Calibration Std 2

    SPEX CertiPrep

    Matrix: 5% HNO3 / tr Tart. Acid / tr H

  • CON-TROL 290, 290 mOsm Reference Solution

    Precision Systems

  • Cupric Sulfate, Pentahydrate

    bioWORLD

    A common inorganic salt used in analytical chemistry and organic synthesis Synonym: Copper(II) sulfate pentahydrate Reagent with many uses including organic synthesis, chemistry education, and as a fungicide, and analytical reagent ACS Grade Insolubles: <0.005% Chloride:…

  • 10,000 ppm Chloride for IC

    Inorganic Ventures

    Inorganic Ventures' 10,000 ppm Chloride for IC is a certified reference material set in a water matrix for stability. This chloride standard is Traceable to NIST and manufactured in accordance with our stringent Quality Assurance guidelines. One year Expiration Date . Size: …

  • Chloride Standard Solution Traceable To SRM From NIST Nacl In H2O 1000 mg/L Cl-…

    MilliporeSigma

    Solubility: (20°C) soluble Density: 0.998 g/cm3 (20°C)

  • 1000 ppm Copper for AA

    Inorganic Ventures

    Inorganic Ventures' 1000 ppm Copper for AA is a certified reference material set in a sodium cyanide matrix for stability. This copper standard is Traceable to NIST and manufactured in accordance with our stringent Quality Assurance guidelines. One year Expiration Date . …

  • 84µS Conductivity Standard (2 Bottles)

    Extech

    84µS conductivity standard Comes in convenient pint size plastic bottles

  • Complex Cyanide Standard

    Ultra Scientific

    1 Analyte(s) @ 1000 µg/mL in water with dilute sodium hydroxide

  • 1000 ppm Copper for AA

    Inorganic Ventures

    Inorganic Ventures' 1000 ppm Copper for AA is a 125 mL certified reference material set in a nitric acid matrix for stability. This copper standard is Traceable to NIST and manufactured in accordance with our stringent Quality Assurance guidelines. One year Expiration Date . …

  • Cyclohexylamine 1mL

    SPEX CertiPrep

  • Color Std, APHA, No. 30

    Ricca Chemical

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