Table 1 Summary of solubility findings on multiple lots of three amino acids.
From: Analytical techniques for characterization of raw materials in cell culture media
Solubility in 100 ml of a neutral buffer | ||||
|---|---|---|---|---|
Vendor | Lot No. | Lysine.HCl (g) | Cystine.2HCl (mg) | Tyrosine.2Na (mg) |
A | 1 | 5.0 | 12.4 | 175.1 |
2 | 12.5 | 35.0 | 185.8 | |
3 | 10.0 | 35.2 | 185.5 | |
B | 1 | 15.0 | 30.3 | 185.8 |
2 | 12.5 | 50.8 | 195.2 | |
3 | 12.0 | 48.2 | 200.7 | |
C | 1 | 60.0 | 32.0 | N/A |
2 | 60.0 | 35.2 | N/A | |
3 | 60.0 | 32.8 | N/A | |
D | 1 | 60.0 | N/A | N/A |
2 | 60.0 | N/A | N/A | |