Naringin,>=95% (HPLC)

Sodium,in kerosene, pieces (large), >=99.8% (sodium basis)

Sodium borohydride,purum p.a., >=96% (gas-volumetric)

Sodium chloride,reference material for titrimetry, certified by BAM, >99.5%

Sodium ?L-lactate,ReagentPlus, >=99.0% (NT)

4-Nitrophenyl phosphate disodium salt hexahydrate,suitable for enzyme immunoassay, >=99.0% (enzymatic)

Sodium oxalate,reference material for titrimetry, certified by BAM, >99.5%

Sodium tungstate dihydrate,BioUltra, >=99.0% (T)

Cobalt(II) acetylacetonate,>=99.0% (KT)

Trimethyloctylammonium bromide,>=98.0% (AT)

Pepsin from porcine gastric mucosa,powder, slightly beige, >=500 U/mg

(S)-(+)-Mandelic acid,ReagentPlus, >=99%