REAGENT

Ammonium cerium(IV) sulfate dihydrate

≥95%

CAS:10378-47-9

Formula:Ce(NH₄)₄(SO₄)₄ · ₂H₂O

MW:632.55 g/mol

฿560.00

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REAGENT

Standard solution for volumetric analysis of oxalic acid

C(1/2H2C2O4)=0.05025mol/L Media: H2O

CAS:144-62-7

Formula:C₂H₂O₄

MW:90.03 g/mol

฿730.00

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REAGENT

2-Nitrophenyl octyl ether

98%

CAS:37682-29-4

Formula:C₁₄H₂₁NO₃

MW:251.32 g/mol

฿920.00

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REAGENT

Ammonium ceric nitrate

≥99.9% metals basis

CAS:16774-21-3

Formula:H₈CeN₈O₁₈

MW:548.22 g/mol

฿580.00

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REAGENT

Oxalic acid solution

2% (w/v) in H2O

CAS:144-62-7

Formula:C₂H₂O₄

MW:90.03 g/mol

฿610.00

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REAGENT

N-Methyl-N-trimethylsilylheptafluorobutyramide

≥90% (GC)

CAS:53296-64-3

Formula:C₈H₁₂F₇NOSi

MW:299.2600 g/mol

฿18,780.00

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REAGENT

Ammonium iron(II) sulfate hexahydrate

99.9% metals basis

CAS:7783-85-9

Formula:H₈FeN₂O₈S₂·₆H₂O

MW:392.14 g/mol

฿550.00

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REAGENT

Oxalic acid dihydrate

Reagent grade, 99.5%

CAS:6153-56-6

Formula:C₂H₂O₄·₂H₂O

MW:126.07 g/mol

฿550.00

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REAGENT

4-(4-Nitrobenzyl)pyridine

for TLC derivatization, for spectrophotometric det. of phosphorus-containing pesticides, ≥98%

CAS:1083-48-3

Formula:C₁₂H₁₀N₂O₂

MW:214.22 g/mol

฿760.00

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REAGENT

Ammonium thiocyanate standard solutio

0.1mol/L, substrate: H2O

CAS:1762-95-4

Formula:CH₄N₂S

MW:76.12 g/mol

฿1,980.00

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