Merck Potassium dichromate volumetric standard, secondary reference material for redox titrati on, traceable to NIST SRM Certipur® Reag. USP

Merck Hafnium ICP standard traceable to SRM from NIST HfCl in HCl 7% 1000 mg/l Hf Certipur®

Spectroquant® Move 100 Kalorimetre ve Spectroquant® Multy Kalorimetre için (430 nm, 530 nm, 560 nm, 580 nm, 610 nm ve 660 nm)
1 adet/paket

Merck Buffer solution (citric acid/sodium hydroxide/hydrogen chloride), traceable to SRM from NIST and PTB pH 3.00 (20°C) Certipur®

Merck Buffer solution (boric acid/potassium chloride/sodium hydroxide) traceable to SRM from NIST and PTB pH 10.00 (25°C) Certipur®

Merck Certified sec. standard reference buffer solution di-sodium tetraborate decahydrate, directly traceable to primary SRM from NIST/PTB pH(S) = 9.18 (25°C) Certipur®

Merck Gadolinium ICP standard traceable to SRM from NIST Gd O in HNO 2-3% 1000 mg/l Gd Certipur®

H₂O 'da 1.00 mg/L Mn
100 ml/paket

Merck Buffer solution (citric acid/sodium hydroxide) traceable to SRM from NIST and PTB pH 5.00 (25°C) Certipur®

Merck Buffer solution (potassium dihydrogen phosphate/di-sodium hydrogen phosphate), traceable to SRM from NIST and PTB pH 7.00 (25°C) Cer tipur®

2 mol/l 1000 mg/L Sn
100 ml/paket

H₂O 'da 1.00 mg/l NH₄-N
100 ml/paket

H₂O 'da 6.00 mg/l NH₄-N
100 ml/paket