Ammonium iron(III) sulfate dodecahydrate Puriss. p.a., ACS Reagent, Reag. ISO, Reag. Ph. Eur., 99.0-102.0%, crystalline, slightly violet
Buffer solution pH 4.0 (20 °C)With fungicide, citric acid / sodium hydroxide / sodium chloride solution, traceable to SRM from NIST
Buffer solution pH 4.00 (20 °C) With fungicide, citric acid / sodium hydroxide / sodium chloride solution, traceable to SRM from NIST
Buffer solution pH 4.00 (20 °C) With fungicide, citric acid / sodium hydroxide / sodium chloride solution, traceable to SRM from NIST
Buffer solution pH 7.0 (20 °C)Potassium dihydrogen phosphate / disodium hydrogen phosphate, traceable to SRM from NIST, with fungicide
Buffer solution pH 7.00 (20 °C) Potassium dihydrogen phosphate / disodium hydrogen phosphate, traceable to SRM from NIST, with fungicide
Buffer solution pH 7.00 (20 °C) Potassium dihydrogen phosphate / disodium hydrogen phosphate, traceable to SRM from NIST, with fungicide
HYDRANAL™ - CRM Water Standard 10.0 Certified reference material for KF titration, produced under DIN EN ISO 17034 accreditation water content 10 mg/g = 1.0%, exact value on CoA verified against NIST SRM 2890, Box contains 10 glass ampoules of 8 mL
HYDRANAL™ - Water Standard 0.1 PC Standard for Karl Fischer titration (water content 0.1 mg/g = 0.01%, exact value on report of analysis), verified against NIST SRM 2890 & NMIJ CRM 4222, Box contains 10 glass ampoules of 4 mL
HYDRANAL™ - Water Standard KF-Oven, 150-160°C Standard for Karl Fischer oven check (water content ~5.0%, exact value on report of analysis)
HYDRANAL™ - Water Standard Oil Oil-based standard for Karl Fischer titration (water content approx. 10 ppm, exact value on report of analysis), Box contains 10 glass ampoules of 8 mL
HYDRANAL™- Standard sodium tartrate dihydrate Standard for Karl Fischer titration (water content ~15.66%, exact value on report of analysis)



