Merck Antimony ICP standard traceable to SRM from NIST Sb O in HCl 7% 1000 mg/l Sb Certipur®

COD, nitrat, fosfat fotometrik metodların kalite kontrolleri için Spectroquant®
1 adet/paket

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

H₂O 'da 12.0 mg/L NH₄-N
100 ml/paket

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

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

1000 mg/L SO₄
500 ml/paket

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®

Merck Buffer solution (citric acid/sodium hydroxide) traceable to SRM from NIST and PTB pH 5.00 (20°C) Certipur®

Merck Silicon standard solution traceable to SRM from NIST acidic, (NH ) SiF in H O 1000 mg/l Si Certipur®

H₂O 'da 200 mg/L NO₃-N
100 ml/paket

Merck Buffer solution (boric acid/potassium chloride/sodium hydroxide), coloured: blue traceable to SRM from NIST and PTB pH 9.00 (20°C) Certipur®

Merck Buffer solution (Potassium tetraoxalate) traceable to SRM from NIST and PTB pH 1.68 (25°C) Certipur®