Peptone Hy-Soy(R) T

Arsenic ICP StandardCertified Reference Material, 1000 mg/L As in HNO₃ 2%

Aluminium AAS StandardCertified Reference Material, 1000 mg/L Al in HNO₃ 2%

Sorenson(TM) low binding aerosol barrier tips

Aldrich® flat-bottom flask capacity 500 mL, joint: ST/NS 24/40

Aldrich® flat-bottom flask capacity 1,000 mL, joint: ST/NS 24/40

Sulfuric acid concentratefor 1L standard solution, 0.05 M H2SO4 (0.1N)

Potassium phosphate monobasicPuriss. p.a., Buffer substance, Anhydrous, ACS Reagent, Reag. ISO, Reag. Ph. Eur., 99.5-100.5%

Magnesium sulfate heptahydratePuriss. p.a., ACS Reagent, ?99.0%

Sodium selenite pentahydratePuriss. p.a., ?99.0% (RT)

Sodium selenite pentahydratePuriss. p.a., ?99.0% (RT)

Sodium hydroxide monohydrateTraceSELECT™, for trace analysis, ?99.9995% (metals basis)