I would like to know if there is a procedure for etching steel with a marbles reagent.
Marble s reagent.
Marbles reagent methods for cleaning up wear protective clothing as described in section 8 of this safety data sheet.
Immerse or swab for 5 60 seconds.
Do not wash out container and use it for other purposes.
Approach the spillage from upwind.
Add a few drops of h2so4 to increase activity.
Marble s reagent is a solution of copper sulphate cuso4 and hydrochloric acid hcl dissolved in water.
For etching ni ni cu and ni fe alloys and superalloys.
10 grams 10 grams 100 ml.
It forms a green solution with a pungent acidic odour and a ph below 1.
Cuso4 hydrochloric acid water.
100cc hcl 3cc hno 3 immersion.
Also called marble s etch this metallographic etchant is for etching 300 series austenitic stainless steels nickel and cobalt based superalloys.
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.
Clear up spills immediately and dispose of waste safely.
If the product is soluble in water dilute the spillage with water and mop it up.
David crocker valencia california.
The etchant will darken austenitic grains attack sigma phases and show grain flow.
Marbles reagent procedure.
Keep out of direct sunlight and away from heat water and incompatible materials.
This product is made with reagent grade chemicals.
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.
Used for revealing general structure.
In stock items ship in 2 to 3 business days or less.
Marble s reagent 50ml hcl 25ml saturated aequous solution of copper ii sulphate.
Protect from physical damage.
Swab etch to reveal general microstructure.
Pre mix koh and water before adding k3fe cn 6.
Kallings solution 2 g cupric chloride 40 80ml methanol 40ml water 40ml hydrochloric acid.
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.
Made to order and custom items ship in as little as 7 to 10 days.
The etchant will darken austenitic grains attack sigma phases and show grain flow.
Handling and storage store in a cool dry ventilated storage area with acid resistant floors and good drainage.
10 grams 50 ml 50 ml.
Please note that scratch marks from sample preparation will also become apparent.
Marble s reagent page 5 section 7.
100cc ethyl alcohol astm contains 1 gr picric 11 aqua regia in alcohol.
