Matrix Blanks and Standardization Solutions
Cayman Chemical Acephate-d3 10mg
An internal standard for the quantification of acephate by GC- or LC-MS
Cayman Chemical D-Fructose-13C6 250mg
An internal standard for the quantification of D-fructose by GC- or LC-MS
Aqua Solutions Total Acid Number (TAN) Standard, 0.1 mg KOH/gm, Size 500ml
The Total Acid Number (TAN) Standard 0.1 mg KOH/gm is a 500mL standard solution used for calibration and performance verification of TAN testing. It contains 2.5 milligrams of potassium hydroxide per gram of sample dissolved in xylene. This standard allows for accurate TAN measurement and monitoring of oil degradation. The TAN Standard has a 12 month shelf life and is manufactured in an ISO 9001 certified facility. It comes with a Certificate of Analysis for traceability. This product enables proper calibration for TAN testing.
Cambridge Isotope Laboratories Metabolomics QReSS Standard Mix 1 (unlabeled) 1 vial
Metabolomics QReSS Standard Mix 1 (unlabeled) 1 vial
Electron Microscopy Sciences MAC Microanalysis Standard Zinc Polished, 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
Myron L Company 3900 US SOLTUION FOR NAT WATER
TDS Calibation Solution 3000 PPM, 3900 microsiemens gallon size. If a COA is required for this item please also order Fisher part # NC9672510, which is the $40 COA fee. If the COA is requested after the order is placed the fee will increase to $70
Medchemexpress LLC Fructose | 7660-25-5 | 180.16 | 1 ML
Fructose is a simple ketonic monosaccharide commonly found in plants. It is for research use only. This product is supplied as a 10 mM solution in DMSO.
- Simple ketonic monosaccharide
- Purity of 99.92%
- Appears as a white to off-white solid
- Storage in solvent at -80°C for 2 years or -20°C for 1 year
- Soluble in water and DMSO
Medchemexpress LLC Procyanidin B2 | 29106-49-8 | MFCD01861513 | 99.9% | 578.52 | C30H26O12 | 10 MG
Procyanidin B2 analytical standard intended for research and analytical applications. Provided as a high-purity solid reference material for qualitative and quantitative method development and calibration in chromatographic and mass spectrometric assays. Ideal for laboratory standards, method validation, and instrument calibration.
- High purity (~99.9%) suitable for analytical work.
- Molecular weight 578.52 g/mol.
- CAS number 29106-49-8 for unambiguous identification.
- Appearance: solid, light yellow to light brown.
- Suitable for HPLC, GC, and MS calibration and method development.
- Store and handle according to the certificate of analysis and SDS.
Waters Corp GPC Calibration Standard, 190,000 Da, Polystyrene, 100 mg
An individual GPC standard (Gel Permeation Chromatography) for molecular weight determination. It is a Polystyrene Standard at 190,000 Da, 100 mg, (sample diluted with 100mL solvent yields 1mg/mL).
- Individual GPC standard
- For molecular weight determination
- Polystyrene material
- Molecular weight: 190,000 Da
- Mass: 100 mg
- Formulation: Solid
- Storage condition: 5°C ± 3°C (Fridge)
- Type: Calibration
Fireflysci WAV-1 UV-VIS Advanced Holmium Oxide Wavelength Accuracy Calibration Standard (241.5-637.5nm)
The WAV-1 UV/VIS allows calibration of wavelength accuracy in the UV and VIS range• FireflySci offers the only holmium glass reference standard in the world that has the wavelength point of 241.5nm for verifications related to DNA measurements• The following NIST wavelength peaks are provided for validating spectrophotometers: 241.5, 279.3, 287.6, 333.8, 360.8, 385.8, 418.5, 453.4, 459.9, 536.4 and 637.5nm• Uncertainty of +/- 0.2nm• External dimensions of filter is 12.5x12.5x45mm• Filter is NIST traceable and produced in an ISO 17025 lab• Recommended recalibration period of 2 years
Nelson Jameson Company CHLORIDE STANDARD
Chloride Standard for the M926 Chloride analyzer, 200 mg/L Chloride SHIPPING NOTIFICaTIONS × This item is not allowed to freeze, and might be compromised if shipped in cold temperatures. There may be a shipment delay of a couple days if certain cold conditions exist. No Image available
Electron Microscopy Sciences MAC Microanalysis Standard Germanium 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
Hach Company Molybdenum 2 Reagent Solution, 25 mL SCDB
For determination of low range molybdenum by the ternary complex method (Hach method 8169). Range: 0.02-3.00 mg/L Mo
Hach Company Sulfuric Acid Standard Solution, 19.2 N, 500 mL
Multi-purpose sulfuric acid standard solution. Required for determination of volatile acids by the esterification method. 500 mL bottle