Fluka and Supelco

Masking Agents

To determine analyte concentration, it might be necessary to block out part of the matrix. This may be accomplished by adding a chemical species to selectively react with part of the matrix, leaving the analyte untouched.

Product #

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09835 Ammonium hydrogen difluoride puriss. p.a., ≥98.5% (F)
    • 38520 2,3-Dimercapto-1-propanol for complexometry, for spectrophotometric det. of Cu, ≥98.0%
    • 31252 Potassium cyanide puriss. p.a., ACS reagent, reag. Ph. Eur., ≥97.0%
    • 60180 Potassium cyanide purum p.a., ≥97.0% (AT)
    • 88652 Thioglycolic acid solution ~80% in H2O, for spectrophotometric det. of palladium, iron, uranium(VI), molybdates and nitrites
    • 33717 Thiourea puriss. p.a., Reag. Ph. Eur., ≥99%
    • 33729 Triethanolamine puriss. p.a., ≥99% (GC)