Marble S Reagent

Also called marble s etch this metallographic etchant is for etching 300 series austenitic stainless steels nickel and cobalt based superalloys.

Marble s reagent. 100cc ethyl alcohol astm contains 1 gr picric 11 aqua regia in alcohol. 100cc hcl 3cc hno 3 immersion. Uses of marble s reagent. Product size container shelf life hazmat info lots available list price your price 4621 4 16 r4621400 500a 500 ml.

10 grams 10 grams 100 ml. 10 grams 50 ml 50 ml. Pre mix koh and water before adding k3fe cn 6. Marble s reagent 50ml hcl 25ml saturated aequous solution of copper ii sulphate.

Keep out of direct sunlight and away from heat water and incompatible materials. Please note that scratch marks from sample preparation will also become. 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. Immerse or swab for 5 60 seconds.

Handling and storage store in a cool dry ventilated storage area with acid resistant floors and good drainage. Used for revealing general structure. Acid ferric chloride 10 g ferric chloride 30 ml hcl 120 ml water. Marble s reagent page 5 section 7.

Clear up spills immediately and dispose of waste safely. Approach the spillage from upwind. David crocker valencia california. Marbles reagent procedure.

This product is made with reagent grade chemicals. Do not wash out container and use it for other purposes. For etching ni ni cu and ni fe alloys and superalloys. When diluting the acid.

I would like to know if there is a procedure for etching steel with a marbles reagent. Marbles reagent methods for cleaning up wear protective clothing as described in section 8 of this safety data sheet. In stock items ship in 2 to 3 business days or less. A standard mixture contains 4g cuso4 and 20ml hcl added to 20ml water.

Cuso4 hydrochloric acid water. If the product is soluble in water dilute the spillage with water and mop it up. Made to order and custom items ship in as little as 7 to 10 days. Add a few drops of h2so4 to increase activity.

The etchant will darken austenitic grains attack sigma phases and show grain flow. Please note that scratch marks from sample preparation will also become apparent. It forms a green solution with a pungent acidic odour and a ph below 1. 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.

Protect from physical damage. Kallings solution 2 g cupric chloride 40 80ml methanol 40ml water 40ml hydrochloric acid. Marble s reagent is a solution of copper sulphate cuso4 and hydrochloric acid hcl dissolved in water.