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

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

H₂O 'da 0.200 mg/L NO₂-N
100 ml/paket

Merck Beryllium standard solution Be O(C H O ) in HNO 0.5 mol/l 1000 mg/l Be Certipur®

Merck Titanium standard solution traceable to SRM from NIST (NH ) TiF in H O 1000 mg/l Ti Certipur®

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

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

10x1adet 1 litreye tamamlanır.
210±20 mg/L
1 test/paket

H₂O 'da 0.400 mg/L PO₄-P (toplam)
100 ml/paket

Merck Phosphorus ICP standard traceable to SRM from NIST H PO in H O 1000 mg/l P Certipur®

0.5 mol/l 1000 mg/L Ag 
100 ml/paket

Merck Beryllium ICP standard traceable to SRM from NIST Be O(C H O ) in HNO 2- 3% 1000 mg/l Be Certipur®

Merck Calcium carbonate volumetric standard, secondary reference material for complexometr y, traceable to NIST Standard Reference Material (SRM) Certipur® Reag. USP