Chemicals

1,4-Dioxane puriss. p.a., ACS reagent, reag. ISO,

Silver nitrate concentrate for 1L standard solutio

Buffer solution pH 2.0 (20oC) citric acid / hydroc

Copper(II) nitrate hemi(pentahydrate) >98%, >26% C

Phosphoric acid puriss. p.a., ACS reagent, reag. I

Butyl acetate puriss. p.a., ACS reagent

Buffer solution pH 4.0 (20oC) red colored, citric

Ammonium phosphate dibasic puriss., meets analytic

Trifluoroacetic acid puriss. p.a., for HPLC, >99.0

Sulfuric acid ACS reagent, 95.0-98.0%

1-Butanol ACS reagent, >99.4%

Sodium hydroxide concentrate for 1L standard solu

Pumice stone granular, 4-6mm

Buffer solution pH 7.0 (20oC) potassium dihydrogen

Sodium sulfate anhydrous, Free Flowing, Reagent Gr

Hydrochloric acid ACS reagent, 37%

Ethyl Acetate 200,LF

Sodium selenite pentahydrate puriss. p.a., >99.0%

Sodium hydroxide puriss., meets analytical specifi

Potassium hydroxide concentrate for 1L standard so

Diatomaceous earth powder, suitable for most filtr

Sulfuric acid puriss. p.a., for determination of H

Glycerol puriss. p.a., ACS reagent, anhydrous, dis

CHEMSOLUTE ready-to-use buffer pH 10.00, blue, 1L (THG)