REAGENT

Bromophenol red

CAS:2800-80-8

Formula:C₁₉H₁₂Br₂O₅S

MW:512.17 g/mol

฿1,280.00

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REAGENT

Boron trifluoride dibutyl etherate

BF3:30.0 - 35.0 %

CAS:593-04-4

Formula:C₈H₁₈BF₃O

MW:198.03 g/mol

฿580.00

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REAGENT

N-(1-Naphthyl)ethylenediamine dihydrochloride monomethanolate

for spectrophotometric det. of nitrate and nitrite, ≥99%

CAS:1357471-44-3

Formula:C₁₃H₂₀Cl₂N₂O

MW:291.2167 g/mol

฿4,400.00

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REAGENT

Sodium hydrogenphosphate dihydrate

CAS:10028-24-7

Formula:Na₂HPO₄₂H₂O

MW:177.99 g/mol

฿390.00

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REAGENT

Iron

99.5% metals basis

CAS:7439-89-6

Formula:Fe

MW:55.85 g/mol

฿680.00

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REAGENT

Pyrogallol Red

≥95%

CAS:32638-88-3

Formula:C₁₉H₁₂O₈S

MW:400.36 g/mol

฿950.00

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REAGENT

Boron trifluoride-methanol-complex solution

55-60 wt% BF3

CAS:2802-68-8

Formula:C₂H₈BF₃O₂

MW:131.89 g/mol

฿1,020.00

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REAGENT

Tetrabutylammonium acetate

98%

CAS:10534-59-5

Formula:C₁₈H₃₉NO₂

MW:301.51 g/mol

฿320.00

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REAGENT

Ammonium persulfate

AR,98.5%

CAS:7727-54-0

Formula:H₈N₂O₈S₂

MW:228.2 g/mol

฿490.00

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REAGENT

Iron powder

99.9% metals basis,50nm

CAS:7439-89-6

Formula:Fe

MW:55.85 g/mol

฿490.00

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