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TRIS $38.39 $35.13
For molecular biology. DNase-, RNase-, and protease-free.
 
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Hydrochloric Acid $105.49
Standardized at 25°C against TRIS (2-amino-2-(hydroxymethyl)-1,3-propanediol) whose certification is traceable to NIST.
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Hydrofluoric Acid $529.45 $434.15
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Hydrogen Peroxide $400.55 $328.45
Stabilized with 0.05% sodium pyrophosphate dodecahydrate.
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Hydrogen Peroxide† $281.32
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Hydroxy Naphthol Blue $393.17 $353.85
For calcium determination.
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Imidazole $170.52 $139.83
For molecular biology. DNase- and RNase-free.
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Indicator $51.38
Color chart graduation 0.5 pH unit.
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Indigo Carmine $81.67 $73.50
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Iodine $98.68
Contains <1.5% iodine and 4% potassium iodide in water. Normality range 0.1005–0.0995. Standardized at 25°C against arsenic trioxide whos
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