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Sodium thiosulfate analysis titrant

Analytical Volumetric Solution,1.0M

7772-98-7 Na₂S₂O₃ 158.11 g./mol

฿1,960.00

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Formic acid

Analytical reference substance, ≥99% (HPLC)

64-18-6 CH₂O₂ 46.03 g./mol

฿2,360.00

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4,7-Diphenyl-1,10-phenanthroline

≥99.9% (HPLC), purified by sublimation

1662-01-7 C₂₄H₁₆N₂ 332.4 g./mol

฿13,680.00

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Copper(II)sulfate solution

4 % (w/v) (prepared from copper (II) sulfate pentahydrate)

7758-98-7 CuSO₄ 159.61 g./mol

฿2,200.00

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Formic acid

For synthesis

64-18-6 CH₂O₂ 46.03 g./mol

฿4,210.00

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Cellulose triacetate

฿3,680.00

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Ammonium Sulfate Solution

1M, PCR grade

7783-20-2 H₈N₂O₄S 132.14 g./mol

฿1,340.00

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Glycolic acid standard solution

100μg/mL in H2O

79-14-1 C₂H₄O₃ 76.05 g./mol

฿1,000.00

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Poly(vinyl chloride)

K-value 72-71

9002-86-2 C₂H₃Cl

฿820.00

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Calcium phosphate

Analytical Control

7758-87-4 Ca₃PO₄₂ 310.18 g./mol

฿6,580.00

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