4-(2-Pyridylazo)resorcinol, for the spectrophotometric det. of Hg, indicator for complexometric titration, ?95.0%1141-59-9C11H9N3O2packaging : Glass Bottle
4-(Dimethylamino)benzaldehyde, for the determination of hydroxyproline, ?99.0% (HPLC)100-10-7(CH3)2NC6H4CHOpackaging : Glass Bottle
4-Nitroaniline, Indicator (in non-aqueous solvents), ?99.0%100-01-6O2NC6H4NH2packaging : Glass Bottle
4-Nitrophenol, Indicator (pH 5.6-7.6), ?99.5%100-02-7O2NC6H4OHpackaging : Glass Bottle
Acetic Acid - Triethylamine Solution 1:1, for HPLC, 2M:2M concentrate, in H2O7732-18-5C2H4O2 · C6H15Npackaging : Glass Bottle
Alizarin-3-methyliminodiacetic acid, for the determination of fluorine, ~85%3952-78-1C19H15NO8packaging : Glass Bottle
Alkali blue 6B solution, 0.1% in ethanol, for acid-base titration1324-76-1C37H30N3NaO4Spackaging : Glass Bottle
Ammonium acetate, TraceSELECT™, ?99.9995% (metals basis)631-61-8C2H7NO2packaging : Plastic Bottle
Ammonium fluoride, Puriss. p.a., ACS Reagent, ?98%12125-01-8H4FNpackaging : Plastic Bottle
Ammonium hexacyanoferrate(II) hydrate, Spot test reagent, for the determination of Ca, ?92.0% anhydrous basis (RT), ?15% water14481-29-9 (NH4)4[Fe(CN)6] · xH2Opackaging : Plastic Bottle
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