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KIT: Murakami etchant

KIT: Murakami etchant is a ready-to-use product mainly used in metallography as well as in scientific laboratories. It consists of potassium hexacyanoferrate(III) (CAS No.: 13746-66-2) and a 10% caustic potash solution, also known as potassium hydroxide (KOH) (CAS No.: ). This kit enables the examination of hard metals, molybdenum and chromium alloys, tungsten, tungsten alloys and the visualization of carbides, sigma phases, delta ferrite and austenite.

The chemical reactions and properties of the etchant are based on the combination of potassium ferricyanide(III) (K3[Fe(CN)6]) and potassium hydroxide (KOH). The chemical compounds together form a strong oxidizing agent and a strong alkali metal capable of selectively etching the surface structures of metals to reveal their microstructural properties.

The application of the etchant gives different results depending on the metal, alloy and etching time (2-20 minutes). When applied freshly, the chemical reactions of the etchant can produce different color patterns or contrasts that indicate the microstructure in question.

Article no.: 18403

Surface etching in metallography

  •   Container size and order number Net price Amount
    KIT: Murakami etchant - 100 ml
    Order number: 18403.00100
    25,47 €
    KIT: Murakami etchant - 250 ml
    Order number: 18403.00250
    41,70 €
    KIT: Murakami etchant - 500 ml
    Order number: 18403.00500
    78,90 €
    KIT: Murakami etchant - 1.000 ml
    Order number: 18403.01000
    105,57 €
    KIT: Murakami etchant - 2.500 ml
    Order number: 18403.02500
    235,68 €

Important Information

UN-Nummer: 1814

Warning labels:

Lagerung: 15 … 25 °C

Haltbarkeit: 24 Monate

safety data sheet

product information

Components of this kit:
• Potassium hexacyanoferrate (III), Artikel-Nr.:11945
• Potassium Hydroxide Solution 10 %, Artikel-Nr.:12656

Technical informations

specifications

Hazard and safety instructions

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