2-tert-butyl-4-methoxyphenol for the Synthesis 25g (no dan. goods)

4-Hydroxybenzoic acid for synthesis 250g (no dan. goods)

Aluminum cuvette test Method: photometric 0.02 - 0.50 mg/l Al Spectroquant® 25 tests

ALUMINUM-TEST 0,020 - 1,20 MG/L 350 TESTS SPECTROQUANT

Ammonium test in freshwater and seawater 50 tests UN 3316, 9, II, (E)

Ammonium test Method: reflectometric with test strips and reagent 20 - 180 mg/l NH4+. Reflectoquant®, pack of 50

Ammonium test Spectroquant 0.010 - 3.00 mg/L NH4-N, 0.013 - 3.86 mg/L NH4 UN 1824, 8, II, (E)

Ammonium thiocyanate solution for 1000 ml c(NH4SCN) = 0.1 mol/l (0.1 N) Titrisol

Anaerocult® A for microbiology

Aquaquant manganese test

Arsenic test Method: colorimetric with test strips and reagents pack of 100

Arsenic test Method: colorimetric with test strips and reagents, pack of 100 no dan. goods