Matrix Blanks and Standardization Solutions
Hach Company Bismuth Nitrate Digital Titrator Cartridge, 0.0200 M
For determination of Total Chelant by Digital Titrator titration. Digits x 0.188 = mg/L Total Chelant (as Na4EDTA) in 50 mL sample.
Hach Company Silica Standard Solution, 1000 mg/L as SiO2 (NIST), 500 mL
For accuracy checks in silica determinations
Hach Company FerroMo™ Iron Reagent 1 Powder Pillows, pk/25
For determination of iron in cooling waters containing molybdate-based treatments. Hach Method 8365. Range: 0.01 - 1.80 mg/L Fe. Pack of 25 powder pillows
Hach Company Sodium Chloride Standard Solution, 85.47 mg/L (180 µS/cm), 1L
For standardization and accuracy checks in conductivity measurements
Hach Company Potassium Standard Solution, 250 mg/L as K (NIST), pk/16 - 10 mL Voluette Ampules
For accuracy checks in potassium determinations
Hach Company Sulfate Standard Solution, 50 mg/L as SO4 (NIST), 500 mL
For accuracy checks in sulfate determinations
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.
Hach Company Chloride Test Kit, Model CD-DT
The single-parameter Model CD-DT uses the Hach Digital Titrator with Mercuric Nitrate Titrant Cartridges to determine chloride concentrations. Kit includes Digital Titrator, reagents and labware, manual and carrying case. Range: 10-8,000 mg/L. Contains approximately 100 tests.
Hach Company Fluoride Standard Solution, 0.5 mg/L as F (NIST), 500 mL
For accuracy checks in fluoride determinations
Hach Company Volatile Acid Standard Solution, 62,500 mg/L as Acetic Acid, pk/16 - 10 mL Voluette Ampules
Acetate Standard Solution. For accuracy checks in volatile acids determinations.
YSI 3P LifeScience CHECK SOLUTION 100MG/L
100 mg/L Ammonium and 200 mg/L Potassium Standard Solution for use with YSI Analyzers.
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
Aqua Solutions Iron Std. 1.0 ppm in 2% HCl NIST Traceable Solution (500ML)
Iron Std. 1.0 ppm in 2% HCl NIST Traceable Solution (500ML)
SPEX CERTIPREP LLC 3P Tin at 1,000 ug/mL in 2% HNO3 + 0.5% HF, 100 mL
(HPS by Zeptometrix) Tin (Sn) ICP Single-Component Standard at 1,000 ug/mL in 2% HNO3 + 0.5% HF.