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BES BUFFER For Biochemistry
Product Code:
1927D
Specifications
Appearance
White powder
Assay (alkalimetric)
Min 99%
Identity (IR)
Passes test
UV absorbance (at 250 nm; 5%; 1 cm; water)
Max 0.05
Chloride (Cl)
Max 0.005%
Sulphate (SO4)
Max 0.005%
Heavy metal (as Pb)
Max 0.0005%
Sodium (Na)
Max 0.01%
Loss on drying (at 105°C)
Max 0.5%
Biological buffer, pKa at 20°C
7.15
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