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Standard substance for n-hexane solution

50μg/mL Matrix: methanol U=5%

110-54-3 C₆H₁₄ 86.18 g./mol

฿1,500.00

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Standard substance for n-hexane solution

2000μg/mL Matrix: methanol U=2%

110-54-3 C₆H₁₄ 86.18 g./mol

฿1,500.00

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Standard substance for n-hexane solution

20000μg/mL Matrix: methanol U=0.5%

110-54-3 C₆H₁₄ 86.18 g./mol

฿1,500.00

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Silica gel

High purity, pore size: 60Å, 120-150 mesh

112926-00-8 SiO₂ 60.08 g./mol

฿7,660.00

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Sodium methylate solution

0.5mol/L in Methanol

124-41-4 CH₃NaO 54.02 g./mol

฿9,980.00

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Sodium bicarbonate sodium carbonate rinse solution

c(NaHCO3)=1.7mmol/L,c(Na2CO3)=1.8mmol/L

144-55-8 NaHCO₃ 84.01 g./mol

฿2,800.00

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Sodium bicarbonate solution

0.2mmol/L in H2O

144-55-8 NaHCO₃ 84.01 g./mol

฿520.00

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Sodium bicarbonate solution

1.7mmol/L in H2O

144-55-8 NaHCO₃ 84.01 g./mol

฿520.00

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Sodium bicarbonate solution

7.0mmol/L in H2O

144-55-8 NaHCO₃ 84.01 g./mol

฿520.00

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Salicylic acid citrate solution (chromogenic agent)

69-72-7 C₇H₆O₃ 138.12 g./mol

฿0.00

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