Merck Water standard oil Certified Reference Material for Karl Fischer Titration (oil matrix 15- 30 ppm H2O) Aquastar®

0.5 mol/l 1000 mg/L V 
500 ml/paket

H₂O 'da 15.0 mg/L NO₃-N
100 ml/paket

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

0.5 mol/l 1000 mg/L Ag 
100 ml/paket

H₂O 'da 1.50 mg/L F
100 ml/paket

Merck Selenium standard solution traceable to SRM from NIST SeO in HNO 0.5 mol/l 1000 mg/l Se Certipur®

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

H₂O 'da0.200 mg/L Al
100 ml/paket

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

Merck Lutetium ICP standard traceable to SRM from NIST Lu O in HNO 2-3% 1000 mg/l Lu Certipur®

H₂O 'da 2.50 mg/L NO₃-N
100 ml/paket

1000 mg/L B
500 ml/paket