$16.59
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Ammonium sulfide solution
14% in H2O
$28.07
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$29.77
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Alizarin Red S Solution
1%, pH4.2
$118.65
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Citric acid
Analytical Control
$20.84
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$96.96
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Ammonium bisulfate
99.99% metals basis
$67.62
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Magnesium oxide
50nm, spherical, 99.9% metals basis
$110.57
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Alizarin red pH indicator solution
pH:3.7(YELLOW)-5.2(PURPLE)
$41.68
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Ferric Chloride Solution
10% in H2O
$45.08
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