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Cargille Immersion Oils

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)
Part NumberTypeVolumePrice
16482-1/2OZ A½ oz (15 ml)$19.83
16482-1OZ A1 oz (30 ml)$43.33
16484-1/2OZ B½ oz (15 ml)$23.63
16484-1OZ B1 oz (30 ml)$43.33