| Standardization at 25°C traceable to NIST Standard Reference Material. |
| SRM No... Reported on Label |
| Appearance (Clear, colorless liquid) Passes Test |
| Normality (eq/L) 0.995 - 1.005 |
| Trace Impurities (in ppm): |
| Chloride (Cl) max. 5 |
| Heavy Metals (as Pb) max. 1 |
| Iron (Fe) max. 0.5 |
| |
| Filtered through a 0.2 micron filter. |
| |
| Protect from air to avoid absorption of carbon dioxide. |