ASSISTENT微型載玻片的物理及化學(xué)特性
化學(xué)和物理性質(zhì)
載玻片由超白鈉鈣玻璃制成。
Chemical and physical properties
Slides are made from extra white soda-lime glass.
化學(xué)成分
Chemical composition
二氧化硅(Silicon dioxide) SiO2 72.2%
氧化鈉(Sodium oxide) Na2O 14.3%
氧化鉀(Potassium oxide) K2O 1.2%
氧化鈣(Calcium oxide) CaO 6.4%
氧化鎂(Magnesium oxide) MgO 4.3%
氧化鋁(Aluminum oxide) Al2O3 1.2%
氧化鐵(Iron oxide) Fe2O3 0.03%
三氧化硫(Sulfur trioxide) SO3 0.3%
平均膨脹系數(shù)：90.6 x 10-7 / C° (+20 +300 °C)
伸長點 log n 14.5: +513 °C
利特爾頓軟化點：+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
光傳輸
太陽全反射 (M = 2)
太陽仰角 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 處：1.5171
Refractive index
At λ = 546.07 nm: 1.5171
第二鏡面反射
太陽全反射 (M = 2)
太陽仰角 30° 時作為第二鏡面的法向反射：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%
可調(diào)整的。
Subject to change.
