Matrix Blanks and Standardization Solutions
Perkin Elmer US LLC Cobalt (Co) Internal Standard - 6%, 400 g
Each Internal standard is supplied with a comprehensive Certificate of Analysis that documents the quality and reliability.
Perkin Elmer US LLC Lanthanum (La) Pure Plus Standard, 1 µg/mL, 2% HNO3, 125 mL
Concentration of Elements includes: Element Concentration Matrix La 1 µg/mL 2% HNO3
Perkin Elmer US LLC Cadmium (Cd) Pure Standard, 10,000 µg/mL, 5% HNO3, 500 mL
Each Single Element Calibration Standard for AA and ICP-OES is supplied with a comprehensive Certificate of Analysis that documents the quality and reliability.
Waters Corp Waters Extractables & Leachables Screening Standard, 18-Component, 1176 Da Mass Range, Dual Ionization
The Extractables & Leachables Screening Standard is an 18-component mixture for evaluating and benchmarking high-resolution LC-MS systems. It assesses system preparedness for non-targeted screening and unknown compound analysis. Covering a mass range up to 1176 Da, it supports both positive and negative ionization modes, simplifying screening workflows.
- Contains 18 common polymer additives
- Covers a mass range up to 1176 Da
- Supports positive and negative ionization modes for MS detection
- Provided as a liquid for direct injection in 2 mL methanol
- Store at 4°C ± 2°C; shelf life of 12 months
- Optimized for reversed phase separation with LCMS systems
- Suitable for quantitative small molecule analysis
- Concentration tolerance of ± 1%
- Requires special freight handling for hazardous material
Biotang Inc AMMONIUM SULFATE ~4.1 M, 50 ML, MT-127, ~4.1 M Saturated Ammonium Sulfate solution ((NH4)2SO4). Prepared in 18.2 megohms water and filtered through 0.22-micron filter. Shipped at room temperature. Store at room temperature.
AMMONIUM SULFATE ~4.1 M, 50 ML, MT-127, ~4.1 M Saturated Ammonium Sulfate solution ((NH4)2SO4). Prepared in 18.2 megohms water and filtered through 0.22-micron filter. Shipped at room temperature. Store at room temperature.
Electron Microscopy Sciences MAC Microanalysis Standard Carbon 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
Hach Company Nitrate standard 100 mg/L
Nitrate standard-100 mg/L NO (22 6 mg/L NO -N)-500 mLStandard for online nitrate determination
Hach Company Molybdovanadate Reagent, 500 mL
For phosphate (phosphorus) determination by the Molybdovanadate Method: Hach method 8114. Range: up to 45.0 mg/L PO4 3-. 500 mL bottle. Use with a bottle-top dispenser for Rapid Liquid procedures.
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
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