| Standardization at 25°C traceable to NIST Standard Reference Material. |
| SRM No... Reported on Label |
| Appearance (Clear, colorless liquid) Passes Test |
| Normality 9.95 - 10.05 |
| Sodium Carbonate (Na2CO3) max. 2.0 % |
| Trace Impurities (in ppm): |
| Chloride (Cl) max. 5 |
| Heavy Metals (as Pb) max. 1 |
| Iron (Fe) max. 0.5 |
| |
| IMPortANT: Material will freeze if stored below 41 F (5 C). |
| Protect from air to avoid absorption of carbon dioxide. |