UV/Vis Reagents

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06640 4′-Aminoacetophenone for spectrophotometric det. of Ce, Pd, ≥98.0% (NT)
06800 4-Aminoantipyrine for spectrophotometric det. of H2O2 and phenols, ≥98.0%
08751 4-Amino-3-hydroxy-1-naphthalenesulfonic acid for spectrophotometric det. of Si, ≥95.0%
09105 2-Aminoperimidine hydrobromide sesquihydrate for the determination of SO42-, ≥98.0% (AT)
11635 Azomethine-H monosodium salt hydrate p.a.
11880 Bathophenanthroline for spectrophotometric det. of Fe in serum, ≥99.0%
12309 p-Benzoquinone for spectrophotometric det. of amines, ≥99.5% (HPLC)
90059 N-[3-(2-Benzothiazolyl)-4-(tert-butyldiphenylsilyloxy)phenyl]benzamide for colorimetric determination of fluoride
35020 2,2′-Biquinoline for spectrophotometric det. of Cu, ≥99.0%
61827 2,6-Bis{[bis(2-pyridylmethyl)amino]methyl}-4-methylphenol for spectrophotometric determination of phosphate, ≥97.0% (HPLC)
14690 Bis(cyclohexanone)oxaldihydrazone for spectrophotometric det. of Cu, ≥99.0%
51158 Bis(1-methyl-2-imidazolyl)ketone for photometric determination of Fe(II), ≥98.0% (HPLC)
15100 Bismuthiol I for spectrophotometric det. of Bi, Cu, Pb, Sb, ≥99.0%
95379 Bismuth nitrate oxide for spectrophotometric det., Bi, 71-74% Bi basis (KT)
93832 2-(5-Bromo-2-pyridylazo)-5-[N-propyl-N-(3-sulfopropyl)amino]phenol disodium salt dihydrate for spectrophotometric det. of Zn(II), Cu(II), Fe(II), Co(II), H2O2, ≥95.0%
31550 2,3-Butanedione monoxime for spectrophotometric det. of urea, ≥99.0%
20860 Cadion for spectrophotometric det. of Cd, Ni, ≥98.0%
26049 Chlorophosphonazo III for spectrophotometric det. of alkaline earth metals
27150 Chromotropic acid disodium salt dihydrate puriss. p.a., ACS reagent, for the detection of Ag, ClO3-, Cr, Hg, NO2-, NO32-, Ti, ≥98.5%
32750 3,3′-Diaminobenzidine tetrahydrochloride hydrate for spectrophotometric det. of Se, ≥97.5%
33430 o-Dianisidine for spectrophotometric det. of Au, NO2-, Ce(IV), for the detection of Au, Co, Cu, SCN-, V, ≥97.0%
35990 2,3-Dichloro-1,4-naphthoquinone for spectrophotometric det. of hydrazides, ≥98.0%
04619 2-{2-[7-(Diethylamino)-2-oxo-2H-1-benzopyran-3-yl]ethenyl}-1,3,3-trimethyl-3H-indolium iodide for fluorescence
31890 4-(4-Diethylaminophenylazo)-1-(4-nitrobenzyl)pyridinium bromide for spectrophotometric det. of anionic surfactants
70650 1,3-Dihydroxynaphthalene for spectrophotometric det. of glucuronic acid according to Tollens, ≥97.0%
40220 4,4′-Dimethyl-2,2′-dipyridyl for spectrophotometric det., ≥99.0%
40390 Dimethylglyoxime puriss. p.a., ACS reagent, for the detection of Ni, ≥99.0% (TLC)
07750 N,N-Dimethyl-p-phenylenediamine for spectrophotometric det. of SO42-, S2-, ≥97.0%
94126 2,9-Dimethyl-5-picrylamino-o-phenanthroline p.a., for complexometry, ≥90% (CHN)
42871 Diphenylcarbazone, mixture with diphenylcarbazide for spectrophotometric det. of Cr, Hg
43800 Dithiooxamide for spectrophotometric det. of Cu, Os, Bi, Co, Cu, Fe, Ni, Os, Pt, Ru, ≥98.5%
43820 Dithizone puriss. p.a., ACS reagent, for spectrophotometric det. of Cd, Cu, Hg, Pb, Zn, ≥99.0% (CHN)
04340 3-(N-Ethyl-3-methylanilino)-2-hydroxypropanesulfonic acid sodium salt for enzymic, spectrophotometric determination of H2O2, ≥98.0%
46345 Fiske-Subbarow reducer
47742 Folin-Denis’ reagent for the determination of phenols
90161 (2,2′)-Furildioxime for spectrophotometric det. of Au(II), Co(II), Cu(II), Ni(II), Pd(II), Re(VII), U(VI), ≥97.0% (sum of isomers, HPLC)
03553 Griess’ reagent for nitrite for microscopy
17031 3-Hydroxybenzaldehyde azine for HPLC derivatization, ≥98.0%
55370 8-Hydroxy-7-iodo-5-quinolinesulfonic acid for spectrophotometric det. of Fe(III), ≥98.5%
18894 2-Hydroxy-3-methoxybenzaldehyde thiosemicarbazone for spectrophotometric determination of Ni2+, ≥99.0% (HPLC)
58240 Isatin for spectrophotometric det. of proline and thiophene, ≥99.0%
93524 4-(1-Methylhydrazino)-7-nitrobenzofurazan for HPLC derivatization, ≥97.0%
87793 4-Methyl-5-(sulfomethylamino)-2-(2-thiazolylazo)benzoic acid for spectrophotometric det. of Co(II), Cu(II), ≥90%
69749 Metol ACS reagent, for spectrophotometric det. of inorganic phosphate, ≥99.0%
69888 Molybdate reagent solution for photometric phosphate determination acc. to DIN 38405-D11-1
70720 N-(1-Naphthyl)ethylenediamine dihydrochloride monomethanolate for spectrophotometric det. of nitrate and nitrite, ≥99.0%
72080 Neocuproine hemihydrate for spectrophotometric det. of Cu, ≥99.0%
72090 Neocuproine hydrochloride monohydrate for spectrophotometric det. of Cu, ≥99.0%
72800 4-Nitrobenzaldehyde for spectrophotometric det. of amino sugars, ≥99.0%
73210 4-(4-Nitrobenzyl)pyridine for TLC derivatization, for spectrophotometric det. of phosphorus-containing pesticides
73490 Nitron for spectrophotometric det. of nitrate and perchlorate, ≥97.0%
1048 4-Nitrophenol spectrophotometric grade
74150 N.N.C.D.-reagent for spectrophotometric det. of 1,2-dihydroxy benzene derivatives, ≥97.0%
77500 1,10-Phenanthroline monohydrate for the spectrophotometric determination of Fe, Pd, V, ≥99.0%
79190 1-Phenylthiosemicarbazide for spectrophotometric det. of Co, ≥99.0%
79200 4-Phenylthiosemicarbazide puriss. p.a., for spectrophotometric det. of Se, Te, ≥99.0% (NT)
89456 4,4′,4″,4″′-(Porphine-5,10,15,20-tetrayl)tetrakis(benzenesulfonic acid) for spectrophotometric det. of transition metals, ≥95.0%
82631 Purpurin for spectrophotometric det. (of B, Pb)
82960 1-(2-Pyridylazo)-2-naphthol for spectrophotometric det. of metal ions, ≥97.0%
82940 3-(2-Pyridyl)-5,6-di(2-furyl)-1,2,4-triazine-5′,5′′-disulfonic acid disodium salt for spectrophotometric det. of Fe, ≥99.0%
82950 3-(2-Pyridyl)-5,6-diphenyl-1,2,4-triazine-4′,4′′-disulfonic acid sodium salt for spectrophotometric det. of Fe, ≥97.0%
83700 Rhodanine for spectrophotometric det. of gallic acid, ≥99.0%
85180 Silver diethyldithiocarbamate ACS reagent, for the determination of As, ≥99.0%
70382 Sodium 1,2-naphthoquinone-4-sulfonate for spectrophotometric det. of isonicotic hydrazide, amines and amino acids, ≥97.0% (T)
86145 Sulfochlorophenol S sodium calcium salt for spectrophotometric det. of Nb
86490 2,2′:6′,2′′-Terpyridine for spectrophotometric det. of Ag, Fe, Ru, ≥98.5%
87748 3,3′,5,5′-Tetramethylbenzidine ≥98.0% (NT)
88300 2-Thenoyltrifluoroacetone for spectrophotometric det. of metal ions, ≥99.0%
88413 1-(2-Thiazolylazo)-2-naphthol for spectrophotometric det. of Cd, Co, Cu, Mn, Ni, Tl, ≥99.0%
T6750 Thioglycolic acid solution ~70 % (w/w) in H2O
88652 Thioglycolic acid solution ~80% in H2O, for spectrophotometric det. of palladium, iron, uranium(VI), molybdates and nitrites
34244 Titanium(IV) oxysulfate solution 1.9-2.1%, for determination of hydrogen peroxyde (H 15), according to DIN 38 409, part 15, DEV-18
89700 Toluene-3,4-dithiol for spectrophotometric det. of Mo, Sn, W, and also Ag and Re, ≥97.0%
89630 p-Toluidine for spectrophotometric det. of Au, Tl(III), W, ≥99.0%
90470 Triethylenetetramine disulfate salt dihydrate for spectrophotometric det. of Cu, ≥98.0%
93285 2,4,6-Tris(2-pyridyl)-s-triazine for spectrophotometric det. of Fe, ≥99.0%
T1253 2,4,6-Tris(2-pyridyl)-s-triazine for spectrophotometric det. (of Fe), ≥98%
94685 Vanadate-molybdate reagent p.a., for phosphate determination
95120 Violuric acid monohydrate for spectrophotometric det. of Co, ≥97.0%
52097 Xylenol Orange disodium salt for spectrophotometric determination of metal ions
96440 Zincon monosodium salt for spectrophotometric det. of Cu, Zn