| 1. | Air quality - determination of sulfur dioxide in a ambient air - tetrachlomercurate , pararosaniline
空气质量二氧化硫的测定四氯汞盐盐酸副玫瑰苯胺比色法 |
| 2. | Ambient air - determination of sulfur dioxide - formaldehyde absorbing - pararosaniline spectrophotometry
环境空气二氧化硫的测定甲醛吸收-副玫瑰苯胺分光光度法 |
| 3. | Hygienic determination method of sulfur dioxide in air of residential areas - tetrachloromercurate - pararosaniline spectrophotometric method
居住区大气中二氧化硫卫生标准检验方法四氯汞盐盐酸副玫瑰苯胺分光光度法 |
| 4. | Standard method for hygienic examination of sulfur dioxide in air of residential areas - formaldehyde solution sampling - pararosaniline hydrocloride spectrophotometric method
居住区大气中二氧化硫卫生检验标准方法甲醛溶液吸收-盐酸副玫瑰苯胺分光光度法 |
| 5. | Standard method for hygienic examination of sulfur dioxide in air of residential areas - forma dehyde solution sampling - pararosaniline hydrochloride spectrophotometric method
居住区大气中二氧化硫卫生检验标准方法甲醛溶液吸收-盐酸副玫瑰苯胺分光光度法 |
| 6. | Standard method for hygienic examination of sulfur dioxide in air of residential areas - formaldehyde solution sampling - pararosaniline hydrocloride spectrophotometric method
居住区大气中二氧化硫卫生检验标准方法甲醛溶液吸收-盐酸副玫瑰苯胺分光光度法 |
| 7. | Through the research on the determination of so2 in white granulated sugar by pararosaniline hydrochloride method , the sources of uncertainty components were analyzed , and the individual uncertainty values were evaluated , the expanded uncertainty of the method was given
摘要通过对盐酸副玫瑰苯胺法测定白砂糖中二氧化硫的测定过程进行研究，分析了该法测定结果的不确定度分量及其来源，确定了各不确定度分量值，给出了该法的扩展不确定度。 |
| 8. | Abstract : the method of using formaldehyde buffer solution a b sorption - hydrochloric pararosaniline spectrophotometry to determine sulfur diox ide in air has higher sensitivity and good selectivity , and prevents from adoptin g mercurial absorbent . but the conditions in lab are not well controlled , the v alue of reagent blank and standard curvilinear slope can ' t accord with the one s tipulated in “ methods for air and waste gas monitoring and analysis ” . some opra tional techniques for so2 determination in lab are introduced for reference
文摘:以甲醛缓冲溶液吸收-盐酸副玫瑰苯胺分光光度法测定空气中的二氧化硫，方法灵敏度高，选择性好，避免了使用含汞的吸收液，但如果实验条件控制不好，试剂空白值及标准曲线的斜率就会不符合《空气和废气监测分析方法》中规定的值，本文着重从操作技巧方面对二气化硫测定的实验室质量控制进行分析，仅供参考。 |
