Merck Buffer solution (citric acid/sodium hydroxide/hydrogen chloride) colour: red, traceable to SRM from NIST and PTB pH 4.00 (25 °C)

H₂O 'da 2.00 mg/l NH₄-N
100 ml/paket

Merck Scandium ICP standard traceable to SRM from NIST Sc O in HNO 7% 1000 mg/l Sc Certipur®

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

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

Merck Sodium ICP standard traceable to SRM from NIST NaNO in HNO 2-3% 1000 mg/l Na Certipur®

Merck Calcium ICP Standard traceable to SRM from NIST Ca(NO ) in HNO 2-3% 10000 mg/l Ca Certipur®

Merck Lithium ICP Standard traceable to SRM from NIST LiNO in HNO 2-3% 1000 mg/l Li Certipur®

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

Merck Scandium standard solution traceable to SRM from NIST Sc O in HNO 1 mol/l 1000 mg/l Sc Certipur®

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

Merck Vanadium ICP standard traceable to SRM from NIST NH VO in HNO 15% 10000 mg/l V Certipur®

Merck Certified sec. standard reference buffer solution potassium dihydrogen phosphate/di- sodium hydrogen phosphate, directly traceable to primary SRM from NIST/PTB pH(S) = 7.41 (25°C) Certipur®