 |
| Menge: | |
|---|---|
DY6852
76-60-8
200-972-8
C21H14Br4O5S
bromocresol green
| Index Name | Specifications |
| Appearance | grey to yellowish crystal |
| longest absorb wavelength(nm)入 (ph3.8) | 440 to 445 |
| longest absorb wavelength(nm)入 (ph5.4) | 615 to 618 |
| quality absorb coefficiant(l/cm.g)a(入 PH3.8) | 24 to 28 |
| quality absorb coefficiant(l/cm.g)a(入 PH5.4) | 53 to 58 |
| color change range(PH) | 3.8(yellow-green) to 5.4(blue) |
| Insoluble in Ethyl Alcohol,% | pass |
| loss on drying | 3.0%max |
| Ash(as SO4) | 0.25%max |
| Index Name | Specifications |
| Appearance | grey to yellowish crystal |
| longest absorb wavelength(nm)入 (ph3.8) | 440 to 445 |
| longest absorb wavelength(nm)入 (ph5.4) | 615 to 618 |
| quality absorb coefficiant(l/cm.g)a(入 PH3.8) | 24 to 28 |
| quality absorb coefficiant(l/cm.g)a(入 PH5.4) | 53 to 58 |
| color change range(PH) | 3.8(yellow-green) to 5.4(blue) |
| Insoluble in Ethyl Alcohol,% | pass |
| loss on drying | 3.0%max |
| Ash(as SO4) | 0.25%max |