| 1. | This can be overcome by better matching of the properties of standards and sample .
所以可采用使标准溶液和样品的性质更为相符的办法来解决这一问题。 |
| 2. | Repeat the preparation of standards starting with pure solutions until successive calibration curves agree within 10% .
重复配制标准溶液（从纯溶液开始）直至逐次的标准曲线彼此偏差均在10以内。 |
| 3. | Reference materials - standard solution - ammonium ion
基准材料.标准溶液.氨离子 |
| 4. | Reference material - ph standard solution - oxalate
参考物质. ph标准溶液.草酸盐 |
| 5. | Reference material - ph standard solution - carbonate
参考物质. ph标准溶液.碳酸盐 |
| 6. | Reference material - ph standard solution - phosphate
参考物质. ph标准溶液.磷酸盐 |
| 7. | Reference materials - standard solution - phosphate ion
基准材料.标准溶液.磷酸离子 |
| 8. | Reference material - ph standard solution - tetraborate
参考物质. ph标准溶液.四硼酸盐 |
| 9. | Reference material - ph standard solution - phthalate
参考物质. ph标准溶液.邻苯二甲酸盐 |
| 10. | Reference material - standard solution - magnesium
参考材料.标准溶液.镁 |
