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KIT: Bitter Technique (Etchant)

For magnetic materials. The samples should be electrolytically polished. To prepare a colloidal Fe3O4 suspension, solution A is heated to 30-40°C and mixed with solution B while stirring vigorously. Fe3O4 is filtered and mixed several times with dist. water several times. 1 ml Fe3O4 is mixed with 30 ml 0.3% soap solution. 1 drop of the suspension is placed on the surface of the sample and covered with a cover glass. The treated sample is observed in the bright field or dark field of an incident light microscope. The Fe3O4 - particles decorate the domain walls because of the uneven magnetic field there.

Article no.: 18979

Etchant for magnetic materials

  •   Container size and order number Net price Amount
    KIT: Bitter Technique (Etchant) - 100 ml
    Order number: 18979.00100
    7,91 €
    KIT: Bitter Technique (Etchant) - 250 ml
    Order number: 18979.00250
    8,23 €
    KIT: Bitter Technique (Etchant) - 500 ml
    Order number: 18979.00500
    14,92 €
    KIT: Bitter Technique (Etchant) - 1.000 ml
    Order number: 18979.01000
    28,55 €
    KIT: Bitter Technique (Etchant) - 2.500 ml
    Order number: 18979.02500
    64,52 €

Important Information

Warning labels:

Lagerung: 15 … 25 °C

Haltbarkeit: 24 Monate

product information

Relevant Incredients:
• Iron(III) chloride solution for Bitter Technology
• Sodium Hydroxide / Caustic Soda 10 % (~ 2.7 mol/l)

Technical informations


Hazard and safety instructions

Signal Word 1: Gefahr
Warning labels: