Phthalate buffer solution pH 4.00 (20°C), Potassium hydrogen phthalate / formaldehyde7732-18-5packaging : Plastic Bottle

Sodium formate solution, suitable for LC-MS, 10 mM NaOH in isopropanol/water 1:1 (+0.2% HCOOH)1310-73-2HCOONapackaging : PLASTIC BOTTLE

DL-Tartaric acid, TraceSELECT™, ?99.9995% (metals basis)133-37-9HOOC(CHOH)2COOHpackaging : Plastic Bottle

Potassium bromide solution, Volumetric, 0.1 M KBr7732-18-5BrKpackaging : Plastic Bottle

Didecyldimethylammoni, Analytical standard, reference material7173-51-5C22H48ClNpackaging : GLASS BOTTLE

Iron(II) chloride tetrahydrate, Puriss. p.a., ?99.0% (RT)13478-10-9Cl2Fe · 4H2Opackaging : Glass Bottle

Cefpodoxime, Analytical standard, reference material80210-62-4C15H17N5O6S2packaging : GLASS BOTTLE

Potassium chromate solution, Volumetric, 1/30 M K2CrO4 (0.1N)7732-18-5CrK2O4packaging : Glass Bottle

Sulfonazo III sodium salt, Titration Indicator (for SO4) 68504-35-8 C22H12N4Na4O14S4 packaging : PLASTIC BOTTLE

Fensulfothion sulfone, Analytical standard, reference material14255-72-2C11H17O5PS2packaging : GLASS BOTTLE

Paraquat diiodide-(dimethyl-d6), Analytical standard, reference materialC12D6H8I2N2packaging : GLASS BOTTLE

Potassium dichromate solution, Volumetric, 0.02 M K2Cr2O7, for COD determination according to DIN 38409, part 417778-50-9Cr2K2O7packaging : Glass Bottle