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

0.2 - 2.0 mg/L
8-16 test/paket

H₂O 'da 125 mg/L SO₄
100 ml/paket

0.5 mol/l 1000 mg/L Cr
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®

 4.0 - 40.0; 10 - 150 ve 100 - 1500 mg/L; 0.30 ml her bir ölçüm için Spectroquant®
1 adet/paket 65 ml

1000 mg/I Mo
500 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 (di-sodium hydrogen phosphate/potassium dihydrogen phosphate), traceable to SRM from NIST and PTB pH 7.00 (20°C) Certipur®

Merck Phosphorus ICP standard traceable to SRM from NIST H PO in H O 10000 mg/l P Certipur®

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

Merck Potassium iodate volumetric standard, secondary reference material for iodometry, trace able to NIST SRM Certipur®

Merck Buffer solution (citric acid/sodium hydroxide/hydrogen chloride), traceable to SRM from NIST and PTB pH 4.00 (20°C) Certipur®