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667 results for "Spectrophotometer"

667 Results for: "Spectrophotometer"

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Ozone Instrumental Test 0 to 0.25 ppm

Ozone Instrumental Test 0 to 0.25 ppm

Supplier: CHEMetrics

Ozone Instrumental Test 0 to 0.25 ppm

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Cyanide Instrumental Test 0 to 0.4 ppm

Cyanide Instrumental Test 0 to 0.4 ppm

Supplier: CHEMetrics

Cyanide Instrumental Test 0 to 0.4 ppm

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Cesium ICP Standard, 1 ml = 10 mg Cs (10,000 ppm Cs)CsNO₃ in 5% HNO₃, Ricca Chemical Company

Cesium ICP Standard, 1 ml = 10 mg Cs (10,000 ppm Cs)CsNO₃ in 5% HNO₃, Ricca Chemical Company

Supplier: Ricca Chemical

Cesium Standard, 10000 µg/ml, Application: ICP standards

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Hydrogen Peroxide Instrumental Test

Hydrogen Peroxide Instrumental Test

Supplier: CHEMetrics

Hydrogen Peroxide Instrumental Test

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Flask, Nephelo Culture, Ace Glass Incorporated

Flask, Nephelo Culture, Ace Glass Incorporated

Supplier: Ace Glass

This Nephelo culture flask has a long-style neck that accommodates a 25mm stainless steel or plastic closure

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VWR® Air-Cooled Recirculator

VWR® Air-Cooled Recirculator

Supplier: VWR International

Economical liquid-to-air cooling unit is ideal for applications where the cooling fluid temperature is higher than the ambient temperature and control is not required.

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UV/VIS Photometric Accuracy Calibration Standards, FUV Dual Series, FireFlySci

UV/VIS Photometric Accuracy Calibration Standards, FUV Dual Series, FireFlySci

Supplier: FIREFLYSCI, INC.

Firefly’s FUV Dual Series filters allow you to verify photometric accuracy and stray light in the range of 200 - 700 nm. Includes certified values for both the front and back of the filter for determining stray light.

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Peracetic Acid Instrumental Test 0 to 5 ppm

Peracetic Acid Instrumental Test 0 to 5 ppm

Supplier: CHEMetrics

Peracetic Acid Instrumental Test 0 to 5 ppm

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DipTip™ Mini Miniature UV/VIS/NIR Dipping Probes

Supplier: WORLD PRECISION INSTRUMENTS LLC

Mini DipTip™ is a miniature transmission probe for microliter spectroscopic sampling. Mini DipTip’s tip diameter is only 1.5 mm, the size of a 17-gauge needle. It will fit into all micro centrifuge tubes on the market and is a useful tool for measuring protein and DNA samples. It can also be used for a dissolution system.

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Magnesium ICP Standard, 1 ml = 1 mg Mg (1000 ppm Mg)MgO in 3% HNO₃, Ricca Chemical Company

Magnesium ICP Standard, 1 ml = 1 mg Mg (1000 ppm Mg)MgO in 3% HNO₃, Ricca Chemical Company

Supplier: Ricca Chemical

Magnesium Standard, Magnesium standard solution, 1,000 mg/l Mg in dil. nitric acid analytical reagent, 1000 µg/ml, Application: ICP standards

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Kemtec® Photosynthesis Reaction Activities

Kemtec® Photosynthesis Reaction Activities

Supplier: Kemtec

Two activities to explore photosynthesis.

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Pocket Colorimeter II Test Kits

Pocket Colorimeter II Test Kits

Supplier: Hach

This colorimeter is a portable, rugged, and convenient instrument, ideally suited for in-the-field analysis.

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Microtiter® 96-Well UV Microplates, Thermo Scientific

Microtiter® 96-Well UV Microplates, Thermo Scientific

Supplier: Thermo Fisher Scientific

These flat-bottom UV plates offer a low background and higher throughput at wavelengths of 260 and 280nm

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Lamps for HPLC, Agilent Technologies

Lamps for HPLC, Agilent Technologies

Supplier: AGILENT TECHNOLOGIES, INC (CSD) CA

A wide selection of certified, long-life lamps for Agilent HPLC systems.

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Orion™ Powder Chemistry Packs, Thermo Scientific

Orion™ Powder Chemistry Packs, Thermo Scientific

Supplier: Thermo Fisher Scientific

Orion™ AQUAfast Powder Pack Reagents perform colorimetric measurements of common water parameters with powders that dissolve quickly and mix easily.

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Enzyme Catalysis Lab Activity

Enzyme Catalysis Lab Activity

Supplier: Edvotek

In this experiment, students safely analyze the enzymatic decomposition of hydrogen peroxide.

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Zinc, Vacu-vials® Instrumental Test Kit, CHEMetrics

Zinc, Vacu-vials® Instrumental Test Kit, CHEMetrics

Supplier: CHEMetrics

CHEMetrics’ zinc test kits determine soluble zinc in drinking water and wastewater.

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Forensic Enzymology Lab Activity

Forensic Enzymology Lab Activity

Supplier: Edvotek

Investigate Trace Evidence of Enzymes in Saliva Samples

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Pierce™ BCA™ Protein Assays, Reducing Agent Compatible, Thermo Scientific

Pierce™ BCA™ Protein Assays, Reducing Agent Compatible, Thermo Scientific

Supplier: Thermo Scientific

This reducing agent-compatible version of Thermo Scientific's Pierce BCA Protein Assay enables one to measure protein concentration in samples that contain thiol-reductants dithiothreitol (DTT) and 2-mercaptoethanol (BME).

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Plant Pigment Chromatography and Photosynthesis

Plant Pigment Chromatography and Photosynthesis

Supplier: Edvotek

Students perform thin-layer chromatographic separation of carotene, xanthophyll, and chlorophylls.

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pNPP Phosph Phosphatase Assay Kit, BioAssay Systems

pNPP Phosph Phosphatase Assay Kit, BioAssay Systems

Supplier: BIOASSAY SYSTEMS

For quantitative determination of phosphatase activity.

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CytoScan™ WST-1 Cell Proliferation Assay, G-Biosciences

CytoScan™ WST-1 Cell Proliferation Assay, G-Biosciences

Supplier: G-Biosciences

G-Biosciences' CytoScan™ WST-1 Cell Proliferation Assay is a sensitive and accurate assay for cell proliferation and cytotoxicity

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Orion™ AQUAfast II Chemistries Test Kits, Thermo Scientific

Orion™ AQUAfast II Chemistries Test Kits, Thermo Scientific

Supplier: Thermo Fisher Scientific

Orion™ AQUAfast Tablet Reagents perform colorimetric measurements of common water parameters with convenient, rapidly dissolving tablets.

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TNTplus™ Vial Chemistries, Hach

TNTplus™ Vial Chemistries, Hach

Supplier: Hach

TNTplus™ Vial Chemistries offer the quality expected from Hach that is now even easier to use and more accurate than ever.

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Innovating Science® Synthesis of a Coordination Complex Lab Kit

Innovating Science® Synthesis of a Coordination Complex Lab Kit

Supplier: Ward's Science

Produce a bright-green iron compound in this multi-step synthesis.

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Filming Amines Instrumental Test Kit

Filming Amines Instrumental Test Kit

Supplier: CHEMetrics

Film-forming amines, also known as FFAP or FFP, are chemicals applied in high-pressure boilers, cooling systems, and HRSGs to guard against corrosion and reduce the presence of corrosive agents. The K-1013 test kit utilizes the Rose Bengal method to detect and measure these substances in boiler water or steam condensate.

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CytoScan™ LDH Cytotoxicity Assay for Detection of Cell Toxicity, Death, Viability or Proliferation, G-Biosciences

CytoScan™ LDH Cytotoxicity Assay for Detection of Cell Toxicity, Death, Viability or Proliferation, G-Biosciences

Supplier: G-Biosciences

G-Biosciences' CytoScan™ LDH Cytotoxicity Assay is a colorimetric method of assaying cellular cytotoxicity and is an alternative to ⁵¹Cr release cytotoxicity assays

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Blue/White Cloning of a DNA Fragment

Blue/White Cloning of a DNA Fragment

Supplier: Edvotek

Clone a DNA fragment into DNA and transform bacterial phenotype.

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β-Galactosidase Assay, G-Biosciences

β-Galactosidase Assay, G-Biosciences

Supplier: G-Biosciences

G-Biosciences' β-Galactosidase Assay (CPRG) provides an easy, rapid, and highly sensitive method for determining the β-galactosidase activity in the lysates of cells transfected with a β-galactosidase expression construct.

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Malachite G Phosphate Assay Kit, BioAssay Systems

Malachite G Phosphate Assay Kit, BioAssay Systems

Supplier: BIOASSAY SYSTEMS

For sensitive and high-throughput phosphate determination.

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