ASSISTENT微型载玻片的物理及化学特性

化学和物理性质

载玻片由超白钠钙玻璃制成。

Chemical and physical properties

Slides are made from extra white soda-lime glass.

化学成分

Chemical composition

二氧化硅(Silicon dioxide)          SiO2              72.2%

氧化钠(Sodium oxide)               Na2O             14.3%

氧化钾(Potassium oxide)          K2O               1.2%

氧化钙(Calcium oxide)              CaO                     6.4%

氧化镁(Magnesium oxide)        MgO                    4.3%

氧化铝(Aluminum oxide)           Al2O3             1.2%

氧化铁(Iron oxide)                     Fe2O3            0.03%

三氧化硫(Sulfur trioxide)           SO3               0.3%

平均膨胀系数：90.6 x 10-7 / C° (+20 +300 °C)

伸长点 log n 14.5: +513 °C

利特尔顿软化点：+720°C

密度：2.479

Average expansion coefficient: 90.6 x 10-7 / C° (+20 +300 °C)

Elongation point log n 14.5: +513 °C

Softening Littleton Point: +720°C

Density: 2,479

光传输

太阳全反射 (M = 2)

太阳仰角 30° 的正常透射率：91.5%

Light transmission

Total solar reflection (M = 2)

Normal transmittance at a solar elevation of 30°: 91.5%

折射率

在 λ = 546.07 nm 处：1.5171

Refractive index

At λ = 546.07 nm: 1.5171

第二镜面反射

太阳全反射 (M = 2)

太阳仰角 30° 时作为第二镜面的法向反射：95.3%

Reflection as a second mirror surface

Total solar reflection (M = 2)

Normal reflection as second mirror surface at solar elevation of 30°: 95.3%

可调整的。

Subject to change.