Matrix Blanks and Standardization Solutions
Hach Company Xenosep EPA 1664A Standard, 1x10 mL, 4mg/mL
Xenosep EPA 1664A Standard, 1x10 mL, 4mg/mL. Pipet 10 mL to achieve the 40mg PAR (Precision and Recovery) Standard needed for the method. Each bottle contains enough standard to QC one batch of samples. 10ml.
Sigma Aldrich Fine Chemicals Biosciences LCS-1 >=98% (HPLC) | 41931-13-9 | MFCD00814448 | 25MG
LCS-1 >=98% (HPLC) | Purity: >=98% (HPLC) | Mol Wt: 255.1 | 41931-13-9 | MFCD00814448 | 25MG
Sigma Aldrich Fine Chemicals Biosciences Prostratin >=98% (HPLC) | 60857-08-1 | MFCD00674138 | 1MG
Prostratin >=98% (HPLC) | Purity: >=98% (HPLC) | Mol Wt: 390.47 | 60857-08-1 | MFCD00674138 | 1MG
Hach Company Magnesium Sulfate Solution for BOD, 500 mL
Dilution water component for Biochemical Oxygen Demand determination, APHA formulation
Hach Company Silica Standard Solution, 10 mg/L as SiO2 (NIST), 500 mL
For accuracy checks in silica determinations. For use with Heteropoly Blue Method #8282.
HACH COMPANY Phosphate Standard Solution, 3 mg/L, 946 mL
Phosphate Standard Solution, 3 mg/L, 946 mL.
Hach Company Hardness Solution, 20 gpg (340 mg/L)/2 mg/L Iron, 500 mL
20 gpg (340 mg/L) hardness, plus 2 mg/L iron as Fe (Hard water).
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
Hach Company Phosphate Standard Solution, 30 mg/L as PO4 (NIST), 946 mL
For accuracy checks in phosphate (phosphorus) determinations
Hach Company Chromium, Hexavalent, Standard Solution, 1000 mg/Ls as Cr6+ (NIST), 100 mL
For accuracy checks in hexavalent chromium determinations
Electron Microscopy Sciences MAC Microanalysis Standard Magnesium 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
