Merck Buffer solution (boric acid/potassium chloride/sodium hydroxide) traceable to SRM from NIST and PTB pH 9.00 (25°C) Certipur®

2 mol/l 1000 mg/L Hg
500 ml/paket

Fotometreler için Kontrol Solüsyonları(445/446 nm, 520/525 nm, ve 690 nm) Spectroquant®
1 adet/paket

 0.5 mol/l 1000 mg/L Zn
100 ml/paket

Merck Tungsten ICP standard traceable to SRM from NIST (NH ) WO in H O 1000 mg/l W Certipur®

 H₂O 'da 20.0 mg/L COD
100 ml/paket

0.5 mol/l 1000 mg/L Si 
100 ml/paket

H₂O 'da 0.50 mg/L NO₃-N
100 ml/paket

Merck Buffer solutions traceable to SRM from NIST and PTB 10 x pH 4.01 (phthalate) 10 x pH .700 (phosphate) 10 x pH 10.00 (borate) pH 4.01/pH 7.00/pH 10.00(25°C) Certipur®

 0.5 mol/l 1000 mg/L Zn
500 ml/paket

Merck Vanadium ICP standard traceable to SRM from NIST NH VO in HNO 15% 10000 mg/l V Certipur®

H₂O 'da 400 mg/L SO₄ 
100 ml/paket

0.5 mol/l 1000 mg/L Al
500 ml/paket