Cargille Immersion Oils are required for high magnification and to obtain sharp images with clear resolution. These immersion oils meet ISO standards for quality and are PCB-free.
Type A (low viscosity) and Type B (high viscosity) are used for normal microscopy applications with viscosities from 150-1250 centistokes. The greater the gap between cover glass and objective, or condenser and slide, the more desirable high viscosity becomes.
Types A and B are virtually interchangeable and are miscible with each other for intermediate viscosities. The deciding factor in choosing between them is the optimum viscosity for your particular application.
Immersion Oil Type A
- For normal light microscopy
- Standard immersion oil for general use
- Low viscosity for ease of use, especially helpful to beginning students
- Refractive Index @ 23° C
- F Line (486.1 nm) – 1.5239
- E Line (546.1 nm) – 1.5180
- D Line (589.3 nm) – 1.5150
- C Line (656.3 nm) – 1.5114
- Viscosity: 150 cSt ± 10% @ 23°C (low)
Immersion Oil Type B
- General purpose immersion oil
- Higher viscosity version of Type A
- Refractive Index @ 23° C
- F Line (486.1 nm) – 1.5236
- E Line (546.1 nm) – 1.5180
- D Line (589.3 nm) – 1.5150
- C Line (656.3 nm) – 1.5116
- Viscosity: 1250 cSt ± 10% @ 23°C (high)
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