EPR Calibration Standards

Latex Beads

pH Buffer Solutions

REAGENT

pH Buffer standard(standard sample)

PH=6.86

฿4,800.00

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REAGENT

Fe standard

500mg/L, water quality standard sample (1M HNO3)

฿620.00

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REAGENT

2,2,4,4-Tetramethylpentane

≥99%

CAS:1070-87-7

Formula:C₉H₂₀

MW:128.26 g/mol

฿1,300.00

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REAGENT

Galvinoxyl Free Radical

98%

CAS:2370-18-5

Formula:C₂₉H₄₁O₂

MW:421.65 g/mol

฿1,990.00

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REAGENT

Potassium phosphate buffer solution

0.2M, pH8.5

฿840.00

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REAGENT

Potassium phosphate buffer solution

0.2M, pH9.0

฿840.00

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REAGENT

pH Buffer Standard Solution

pH=13.00±0.02 (20℃)

฿580.00

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REAGENT

pH Buffer Standard Solution

pH=12.00±0.02 (25°C)

฿580.00

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REAGENT

pH Buffer Standard Solution

pH=4.00±0.02 (25°C)

฿600.00

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REAGENT

pH Buffer Standard Solution

pH=10.01±0.02 (25°C)

฿580.00

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