Hydroxy naphthol blue disodium，是钙的金属指示剂和碱土金属离子的比色试剂 ( λmax = 650 nm)。在 12 和 13 之间的 pH 值范围内，指示剂溶液在钙离子存在下呈淡红色，在 EDTA 二钠存在下呈深蓝色。
| 生物活性 | Hydroxy naphthol blue disodium, an azo dye, is a metal indicator for calcium and a colorimetric reagent for alkaline earth metal ions ( λmax = 650 nm). In the pH range between 12 and 13, the solution of the indicator is reddish pink in the presence of calcium ion and to deep blue in the presence of disodium EDTA[1]. |
| 分子量 | |
| Formula | |
| CAS 号 | |
| 中文名称 | |
| 运输条件 | Room temperature in continental US; may vary elsewhere. |
| 储存方式 | Please store the product under the recommended conditions in the Certificate of Analysis. |
m.cnreagent.com
