Merck Potassium hydrogen phthalate certified secondary standard reference material for pH m easurement; directly traceable to primary SRM from NIST/PTB pH(S) = 4.00 (25°C) Certipur®

500 - 10000 mg/L; 1.80 ml her bir ölçüm için Spectroquant®
1 adet/paket 495 ml

Merck Buffer solution (potassium dihydrogen phosphate/disodium hydrogen phosphate) traceable to SRM from NIST and PTB pH 7.00 (25°C) 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 Lead ICP standard traceable to SRM from NIST Pb(NO ) in HNO 2-3% 10000 mg/l Pb Certipur®

H₂O 'da 200 mg/L COD

H₂O 'da 1.00 mg/l NH₄-N
100 ml/paket

Merck Rhodium ICP standard traceable to SRM from NIST Rh(NO ) in HNO 2-3% 1000 mg/l Rh Certipur®

Merck Chromium ICP standard traceable to SRM from NIST Cr(NO ) in HNO 2-3% 10000 mg/l Cr Certipur®

H₂O 'da 100 mg/L N
100 ml/paket

2 mol/l 1000mg/L Pt 
500 ml/paket

Merck Buffer solution (di-sodium hydrogen phosphate/potassium dihydrogen phosphate) traceable to SRM from NIST and PTB pH 6.88 (20° C) Certipur®

H₂O 'da 500 mg/L TOC 
100 ml/paket