Matrix Blanks and Standardization Solutions
Perkin Elmer US LLC Sulfur (S) Standard, 1000 µg/g, in Hydrocarbon Oil, 50 g
High quality reference materials are essential for accurate analytical measurement and quality control, ensuring sound decisions are made based on reliable data. PerkinElmer offers a full range of wear metal standards for all of your application needs.
Cole-Parmer Fluoride Standard Soultion, 500 mL; 1000 ppm
Replace or upgrade electrodes, probes, cells, and parts for Cole-Parmer meters. Many of these items are compatible with other brands of meter. Please contact an application specialist for assistance.
SPECTRUM QUALITY STANDARDS Calibration Set with 10% ETOH & +4 %LV 2-Butanol – 7×2 ml ampoules | 7x2ml
Calibration Set with 10% ETOH & +4 %LV 2-Butanol – 7×2 ml ampoules | 7x2ml
SPEX CERTIPREP LLC 3P Alkalinity CRM, 500 mL
(NSI by Zeptometrix) 1000mg/L in water. Alkalinity source is Sodium tetraborate decahydrate.
Aqua Solutions Sodium thiosulfate 10% | 7772-98-7 | MFCD00003499 | 1 L
Sodium thiosulfate 10% | Mol Wt: 158.11 | 7772-98-7 | MFCD00003499 | 1 L
Electron Microscopy Sciences MAC Microanalysis Standard Zirconium Grain, 2 x 2 mm
All of our standards are suitable for electron-beam energy dispersive or wavelength dispersive X-ray microanalysis systems. They are supplied with fully authenticated certificates of analyses and a location map for standard identification. Grain of standard measures approximately 2mm x 2mm in size.
Type: Grain
Size: 2 x 2 mm
Medchemexpress LLC Tetrahydrocurcumin | 36062-04-1 | 372.41 | 100 MG
Tetrahydrocurcumin is a curcuminoid naturally found in turmeric (Curcuma longa), formed through the reduction of curcumin. This compound is known to inhibit the cytochrome P450 enzymes CYP2C9 and CYP3A4. It is strictly for research purposes and not intended for patient use.
- High purity of 98.96%.
- Chemical formula: C21H24O6.
- Appearance: white to off-white solid.
- Classified as phenols, polyphenols.
- Inhibits lipoxygenase at concentrations as low as 1 μM.
- Cytotoxicity against HEK293 cells with an EC50 of 120 μM.
- Inhibits STAT3 transcriptional activity in human HaCaT cells.
Electron Microscopy Sciences MAC Microanalysis Standard Selinium Mount, 2, 3, or 5 mm
All of our standards are suitable for electron-beam energy dispersive or wavelength dispersive X-ray microanalysis systems. They are supplied with fully authenticated certificates of analyses and a location map for standard identification. Mounts are polished to 0.25 micron diamond and carbon coated. Supplied in 2, 3, or5 mm brass tube.
Type: Mounted
Size: 2, 3, or 5 mm
Electron Microscopy Sciences Glutaraldehyde Aqueous 25%, EM Grade 10 ML
OCHCH₂CH₂CH₂CHO F.W. 100.12
Aqueous glutaraldehyde, the universal fixative for electron microscopy, is purified to EM grade from commercial grade by "all-glass vacuum-distillation". It is the highest possible quality, free from polymers and other contaminents. Each lot is assayed prior to shipping assuring consistent purity and the highest possible quality.
If stored properly, our Glutaraldehyde has a very long shelf life. EM grade aqueous glutaraldehyde, stored in volumes greater than 100 ml, with repeated defrosting and recapping, will polymerize in time, producing an absorption peak of 235nm rather than the 280nm of pure EM grade. The presence of polymerized glutaraldehyde greatly reduces its efficiency as a cross-linking agent, preventing proper fixation. For this reason, we provide 10 ml ampoules sealed under dry nitrogen and 100 ml bottles that are kept refrigerated until it is shipped.
Grade: EM Grade
Nelson Jameson Company Chloride Standard for the M926S/M925 Chloride Analyzer, 100 mL
Chloride Standard for the M926S/M925 Chloride Analyzer, 100 mmol/L Chloride.
Inorganic Ventures ICP MS CALIBRATION STD 22 125
Inorganic Ventures' ICP-MS Calibration Standard 22 is a 125mLcertified reference materialset in a nitric acid matrix for stability. This cadmium standard isTraceable to NISTand manufactured in accordance with our stringentQuality Assuranceguidelines. One yearExpiration Date.
ATTENTION: Inorganic Ventures is no longer supplying paper copies of Certificate of Analyses(CoA) and Safety Data Sheets (SDS). Please use this link to download your copies: https://www.inorganicventures.com/coa-sds-search
Inorganic Ventures ICP MS CALIBRATION STD 30 125
Inorganic Ventures' ICP-MS Calibration Standard 30 is a 125mLcertified reference materialset in a nitric acid matrix for stability. This beryllium standard isTraceable to NISTand manufactured in accordance with our stringentQuality Assuranceguidelines. One yearExpiration Date.
ATTENTION: Inorganic Ventures is no longer supplying paper copies of Certificate of Analyses(CoA) and Safety Data Sheets (SDS). Please use this link to download your copies: https://www.inorganicventures.com/coa-sds-search
Teknova 0.5M Sodium Phosphate Dibasic. 1000mL, Sterile.
Sodium phosphate is a versatile chemical compound that has a wide range of uses. In molecular biology, it can be used to extract DNA and RNA from cells. In protein chemistry, it can be used to purify proteins. And in biochemical applications, it can be used to study enzyme activity. Sodium phosphate is also an effective buffering agent, making it an ideal solution for use in laboratory and industrial settings. The buffer range is 5.8 to 8.0.
Perkin Elmer US LLC GFAAS Mixed Standard, 125 mL
This Graphite Furnace Atomic Absorbance Spectroscopy (GFAAS) mixed standard is made up in 5% Nitric Acid and contains Aluminum (Al), Arsenic (As), Lead (Pb), Antimony (Sb), Selenium (Se), and Tellurium (Tl); 50 ppm of Barium (Ba), Cobalt (Co), Copper (Cu), Nickel (Ni); 20 ppm of Chromium (Cr), Iron (Fe), and Manganese (Mn).
Perkin Elmer US LLC Mixed Calibration Standard 2% HNO3, 500 mL
Our go-to multi-element standards are suitable for your daily laboratory needs. Spanning across a wide range of applications and methods, you’ll nd the right solution to help you achieve laboratory success.