Gravimetric Reagents

Gravimetry is a highly precise quantitative analytical techniquie. It provides very little room for instrumental error and does not require a series of standards for calculation of an unknown. We offer a wide range of gravimetric reagents used for precipitation of the analyte. The precipitate can then be collected by filtration, washed, dried to remove traces of moisture from the solution, and weighed. The amount of analyte in the original sample can then be calculated from the mass of the precipitate and its chemical composition.

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09935 Ammonium pyrrolidinedithiocarbamate purum p.a., ≥98.0% (NT)
31550 2,3-Butanedione monoxime for spectrophotometric det. of urea, ≥99.0%
161705 Di-2-pyridyl ketone oxime 98%
H36206 2-Hydroxy-4-methoxybenzophenone 98%
83352 Mercury(II) acetate puriss. p.a., ACS reagent, ≥99.0% (precipitation titration)
R4126 Reinecke salt
83700 Rhodanine for spectrophotometric det. of gallic acid, ≥99.0%
72016 Sodium tetrakis(4-fluorophenyl)borate dihydrate ≥97.0% (NT)
95580 Xanthydrol for the detection of urea, ≥99.0% (HPLC)
95582 Xanthydrol solution ~10% in methanol, for the detection of urea