1.0 M Citric acid - 100 ml

- Sterile filtered
- Formulated in Type 1+ ultrapure water: 18.2 megaohm-cm resistivity at 25°C, < 5 ppb Total Organic Carbon, bacteria free (<1 Bacteria (CFU/ml)), pyrogen free (<0.03 Endotoxin (EU/ml)), RNase-free (< 0.01 ng/mL) and DNase-free (< 4 pg/µL)

Citrate BIS-TRIS propane (CBTP) is a buffer system useful across pH 2.5 to 9.5.

Using CBTP one can use a single buffer system to screen pH 2.5 to 9.5 by varying the ratio of Citric acid to BIS-TRIS propane. Although the two buffer reagents are made available separately for convenient, individual replacement, they are designed to be used together, with the supplied CBTP buffer titration table to create a crystallization buffer system covering pH 2.5 to 9.5.

HR2-831 Measured pH range: 1.2 - 1.5 at 25°C
HR2-831 Measured Conductivity Range: 7.7 - 8.7 mS/cm at 25°C

HR2-833 Measured pH range: 11.2 - 11.5 at 25°C
HR2-833 Measured Conductivity Range: 298 - 317 µS/cm at 25°C
HR2-833 Measured Refractive Index Range: 1.37985 - 1.38076 at 20°C


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