Thioglycolic acid solution

for spectrophotometric det. of nitrate and nitrite, ≥99.0%

for spectrophotometric det. of Fe(III), ≥98.5%

for spectrophotometric det. of Fe in serum, ≥99.0%

for the spectrophotometric det. of Fe, ≥98.0% (HPLC)

for spectrophotometric det. of Au, NO₂^-, Ce(IV), for the detection of Au, Co, Cu, SCN^-, V, ≥97.0%

for spectrophotometric det. of Ag, Fe, Ru, ≥98.5%

for spectrophotometric det. of Fe, ≥99.0%

for spectrophotometric det. of Fe, 97.0%

ACS reagent, ≥98%

for spectrophotometric det. of Zn(II), Cu(II), Fe(II), Co(II), H₂O₂, ≥95.0% (HPLC)

for spectrophotometric det. of nitrate and perchlorate, ≥97.0%

for spectrophotometric det. of Fe, ≥99.0% (HPLC)

for the spectrophotometric determination of Fe, Pd, V, ≥99.0%

for photometric determination of Fe(II), ≥98.0% (HPLC)