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.

Add a few drops of h2so4 to increase activity. Please note that scratch marks from sample preparation will also become apparent. If the product is soluble in water dilute the spillage with water and mop it up. Swab etch to reveal general microstructure.

Protect from physical damage. Please note that scratch marks from sample preparation will also become. When diluting the acid. It forms a green solution with a pungent acidic odour and a ph below 1.

Marbles reagent procedure. Used for revealing general structure. A standard mixture contains 4g cuso4 and 20ml hcl added to 20ml water. Made to order and custom items ship in as little as 7 to 10 days.

10 grams 50 ml 50 ml. 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. This product is made with reagent grade chemicals. Product size container shelf life hazmat info lots available list price your price 4621 4 16 r4621400 500a 500 ml.

100cc hcl 3cc hno 3 immersion. Keep out of direct sunlight and away from heat water and incompatible materials. Handling and storage store in a cool dry ventilated storage area with acid resistant floors and good drainage. 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.

Marble s reagent page 5 section 7. In stock items ship in 2 to 3 business days or less. Marbles reagent methods for cleaning up wear protective clothing as described in section 8 of this safety data sheet. Kallings solution 2 g cupric chloride 40 80ml methanol 40ml water 40ml hydrochloric acid.

Immerse or swab for 5 60 seconds. For etching ni ni cu and ni fe alloys and superalloys. Uses of marble s reagent. Also called marble s etch this metallographic etchant is for etching 300 series austenitic stainless steels nickel and cobalt based superalloys.

Approach the spillage from upwind. Cuso4 hydrochloric acid water. Acid ferric chloride 10 g ferric chloride 30 ml hcl 120 ml water. 100cc ethyl alcohol astm contains 1 gr picric 11 aqua regia in alcohol.

The etchant will darken austenitic grains attack sigma phases and show grain flow. I would like to know if there is a procedure for etching steel with a marbles reagent. Marble s reagent 50ml hcl 25ml saturated aequous solution of copper ii sulphate. Marble s reagent is a solution of copper sulphate cuso4 and hydrochloric acid hcl dissolved in water.

The etchant will darken austenitic grains attack sigma phases and show grain flow. 10 grams 10 grams 100 ml. Clear up spills immediately and dispose of waste safely.