Marble S Reagent

David crocker valencia california.
Marble s reagent. Immerse or swab for 5 60 seconds. Marble s reagent is a solution of copper sulphate cuso4 and hydrochloric acid hcl dissolved in water. I would like to know if there is a procedure for etching steel with a marbles reagent. Clear up spills immediately and dispose of waste safely.
100cc ethyl alcohol astm contains 1 gr picric 11 aqua regia in alcohol. Swab etch to reveal general microstructure. The etchant will darken austenitic grains attack sigma phases and show grain flow. Approach the spillage from upwind.
10 grams 50 ml 50 ml. Also called marble s etch this metallographic etchant is for etching 300 series austenitic stainless steels nickel and cobalt based superalloys. In stock items ship in 2 to 3 business days or less. Please note that scratch marks from sample preparation will also become.
Uses of marble s reagent. This product is made with reagent grade chemicals. Handling and storage store in a cool dry ventilated storage area with acid resistant floors and good drainage. When diluting the acid.
Marbles reagent procedure. Product size container shelf life hazmat info lots available list price your price 4621 4 16 r4621400 500a 500 ml. Made to order and custom items ship in as little as 7 to 10 days. If the product is soluble in water dilute the spillage with water and mop it up.
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. Please note that scratch marks from sample preparation will also become apparent. For etching ni ni cu and ni fe alloys and superalloys.
10 grams 10 grams 100 ml. Keep out of direct sunlight and away from heat water and incompatible materials. Marble s reagent page 5 section 7. Used for revealing general structure.
Marbles reagent methods for cleaning up wear protective clothing as described in section 8 of this safety data sheet. Cuso4 hydrochloric acid water. Protect from physical damage. Acid ferric chloride 10 g ferric chloride 30 ml hcl 120 ml water.
A standard mixture contains 4g cuso4 and 20ml hcl added to 20ml water. 100cc hcl 3cc hno 3 immersion. 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. Marble s reagent aka marble s etch is a metallographic etchant for etching 300 series austenitic stainless steels nickel and cobalt based superalloys.
Do not wash out container and use it for other purposes. Add a few drops of h2so4 to increase activity. Kallings solution 2 g cupric chloride 40 80ml methanol 40ml water 40ml hydrochloric acid.