Marble S Reagent

Marble s reagent aka marble s etch is a metallographic etchant for etching 300 series austenitic stainless steels nickel and cobalt based superalloys.

Marble s reagent.

Handling and storage store in a cool dry ventilated storage area with acid resistant floors and good drainage. Pre mix koh and water before adding k3fe cn 6. Marbles reagent methods for cleaning up wear protective clothing as described in section 8 of this safety data sheet. This product is made with reagent grade chemicals.

Immerse or swab for 5 60 seconds. In stock items ship in 2 to 3 business days or less. 10 grams 50 ml 50 ml. 9 marble s reagent 4g cuso 4 20cc hcl 20cc h 2o immersion or swab astm e 407 designation is 25 marble s 10 viella s 5cc hcl 2gr picric acid immersion or swab astm e 407 designation is 80 vilella s.

A standard mixture contains 4g cuso4 and 20ml hcl added to 20ml water. Marble s reagent page 5 section 7. Marbles reagent procedure. Acid ferric chloride 10 g ferric chloride 30 ml hcl 120 ml water.

Also called marble s etch this metallographic etchant is for etching 300 series austenitic stainless steels nickel and cobalt based superalloys. Protect from physical damage. Used for revealing general structure. Swab etch to reveal general microstructure.

10 grams 10 grams 100 ml. Do not wash out container and use it for other purposes. Made to order and custom items ship in as little as 7 to 10 days. Keep out of direct sunlight and away from heat water and incompatible materials.

David crocker valencia california. If the product is soluble in water dilute the spillage with water and mop it up. Add a few drops of h2so4 to increase activity. It forms a green solution with a pungent acidic odour and a ph below 1.

The etchant will darken austenitic grains attack sigma phases and show grain flow. Product size container shelf life hazmat info lots available list price your price 4621 4 16 r4621400 500a 500 ml. Kallings solution 2 g cupric chloride 40 80ml methanol 40ml water 40ml hydrochloric acid. Approach the spillage from upwind.

Clear up spills immediately and dispose of waste safely. Uses of marble s reagent. The etchant will darken austenitic grains attack sigma phases and show grain flow. Please note that scratch marks from sample preparation will also become.

100cc ethyl alcohol astm contains 1 gr picric 11 aqua regia in alcohol. For etching ni ni cu and ni fe alloys and superalloys. Cuso4 hydrochloric acid water. We have the formula but we do not know if the parts are dipped and if so for how long or if you apply current forward or reverse.

Please note that scratch marks from sample preparation will also become apparent. When diluting the acid. I would like to know if there is a procedure for etching steel with a marbles reagent.