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Phenolphthalein IND 25g
Retail price
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Yuan
Market price
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Number of views:
1000
Product serial number
Category
Chemical reagent
Number:
Brand:
Tianjin Kermel
CAS number:
5768-87-6
Hazardous:
Non-hazardous chemicals
Specification:
Indicator IND 25g
Control:
Packing:
bottle
Quantity
-
+
Stock:
0
1
Description
技术指标
| 分子式 | C20H14O4 |
| 相对分子质量 | 318.32 |
| pH变色域 | 8.0（无色）～10.0（红紫色） |
| 质量吸收系数/（L/cm·g） | 68.0～75.0 |
| 干燥失重，ω/% | ≤1.0 |
| 乙醇溶解试验 | 合格 |
| 灼烧残渣（以硫酸盐计），ω% | ≤0.05 |
| HG/T4101-2009 | |
| 外观 | 白色或浅黄色粉状结晶。 |
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