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Bovine Serum Albumin IV

lyophilizate

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Order information
Bovine Serum Albumin IV material number and pack size:
Material Number Pack Size
11726544103 custom fill
Will be supplied as "Albumin RPLA 4 Assay Quality". Unit of measure is "kg".
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Overview
BPLA Type IV is lyophilized from a solution containing potassium phosphate and sodium chloride. No preservatives are added.
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Application
Bovine Serum Albumin IV reduces nonspecific adsorption to the solid phase or saturates unoccupied binding sites. Bovine Serum Albumin IV represents a very high purity grade (≥95%) and is recommended for assays with higher demands on sensitivity.
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Specification
Appearance: Yellowish lyophilizate
Solubility: Clear to slightly turbid yellowish solution in water (c=60 mg/mL)
A405 (against water): ≤0.200
pH value: 6.5-7.5
Protein (from N, elementary analysis, factor 6.25): ≥95%
Purity (HPLC / TSK 3000): ≥95% (monomer)
Water (K. Fischer): ≤5%
Bioburden: ≤50 CFU/g
Ca: ≤0.1%
Fe: ≤0.005%
Cu: ≤0.002%
pH 4.5 treatment (up to 3 hours): Corresponds to specification
Country of origin: USA, NZL
Stability: At +2 to +8°C within specification range for 24 months. Store dry.