Complexometric Indicators

REAGENT

Xylenol Orange sodium salt

BS

CAS:63721-83-5

Formula:C₃₁H₃₁N₂NaO₁₃S

MW:694.63 g/mol

฿880.00

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REAGENT

TB Solution-IV

฿3,420.00

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REAGENT

Sodium 5-[(4-nitrophenyl)azo]salicylate

≥98%

CAS:1718-34-9

Formula:C₁₃H₈N₃NaO₅

MW:309.21 g/mol

฿3,140.00

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REAGENT

1-Phenyl-1,2-propanedione-2-(O-ethoxycarboxy)oxime

97%

CAS:65894-76-0

Formula:C₁₂H₁₃NO₄

MW:235.24 g/mol

฿11,730.00

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REAGENT

Pyrocatechol violet

IND

CAS:115-41-3

Formula:C₁₉H₁₄O₇S

MW:386.38 g/mol

฿430.00

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REAGENT

N-(2-chloro-4-nitrophenyl)-1-hydroxynaphthalene-2-carboxamide

97%

CAS:65570-43-6

Formula:C₁₇H₁₁ClN₂O₄

MW:342.74 g/mol

฿7,020.00

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REAGENT

Mordant Blue 9

Dye content, 50%

CAS:3624-68-8

Formula:C₁₆H₉ClN₂Na₂O₈S₂

MW:502.81 g/mol

฿790.00

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REAGENT

4-Methyl-5-(sulfomethylamino)-2-(2-thiazolylazo)benzoic acid

for spectrophotometric det. of Co(II), Cu(II), ≥90%

CAS:82138-69-0

Formula:C₁₂H₁₂N₄O₅S₂

MW:356.38 g/mol

฿17,700.00

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REAGENT

Methyl Calcein Blue Hydrate [Indicator for complexometry Copper]

98%

CAS:81028-96-8

Formula:C₁₄H₁₅NO₅·xH₂O

MW:277.28(as Anhydrous) g/mol

฿2,090.00

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REAGENT

β-Isatoxime [for Metal Analysis]

≥98%(HPLC)(T)

CAS:607-28-3

Formula:C₈H₆N₂O₂

MW:162.15 g/mol

฿800.00

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