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KIT: Bitter Technique (Etchant)

Kit: Bitter Technique is a chemical mixture mainly used for the study of magnetic materials. The use of the product in metallography involves electrolytic polishing of samples to visualize their magnetic properties. The base of the kit consists of a 1000 ml solution of iron(III) chloride, 170 ml of 10% sodium hydroxide solution (NaOH, CAS No.:) and other required elements.

During use, solution A is heated to 30-40 degrees Celsius and then mixed with solution B while stirring vigorously. The addition of the solution produces a colloidal Fe3O4 suspension. After filtration and washing the Fe3O4 with distilled water, the suspension is mixed with a 0.3% soap solution. A drop of this suspension is placed on the sample surface and covered with a coverslip.

The chemical reactions and properties of the suspension are affected by the non-uniform magnetic field on the domain walls. The Fe3O4 particles decorate the domain walls based on their response to the magnetic field, allowing the magnetic properties to be visualized in the bright field or dark field of a reflected light microscope.

The use of this product allows the structure and magnetic properties of magnetic materials to be explored. The results observed depend on how the suspension is applied and applied to the sample.

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
    6,93 €
    KIT: Bitter Technique (Etchant) - 250 ml
    Order number: 18979.00250
    11,22 €
    KIT: Bitter Technique (Etchant) - 500 ml
    Order number: 18979.00500
    17,01 €
    KIT: Bitter Technique (Etchant) - 1.000 ml
    Order number: 18979.01000
    35,52 €
    KIT: Bitter Technique (Etchant) - 2.500 ml
    Order number: 18979.02500
    73,70 €

Important Information

Warning labels:

Lagerung: 15 … 25 °C

Haltbarkeit: 24 Monate

product information

Components of this kit:
• Iron(III) chloride solution for Bitter Technology, Artikel-Nr.:19335
• Sodium Hydroxide / Caustic Soda 10 % (~ 2.7 mol/l), Artikel-Nr.:11204

Technical informations

specifications

Hazard and safety instructions

Signal Word 1: Gefahr
Signal Word 2: acid_red, , ,
Warning labels: