East India Chemicals - Products
Palladium Chloride and Ferroxyl Passivation Test Kit
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Passivation Liq. Blend with Citric Acid ::: --- Citric acid passivation has become increasingly popular with manufacturers who want to avoid the use of mineral acids or solutions containing sodium dichromate, along with the disposal problems and greater safety concerns associated with their use. Citric acid is considered environmentally friendly in every respect.
Passivation Liquid RX :::
RXSOL PASSIVATION is highly conc and acidic product , It does not give Black or Yellow stain marks after washing with water. It simultaneously removes annealing colours, ferritic contamination & weld burns.
Spray is very safe & easy to use for cleaning of large equipments like S.S. vessels, dryers, agitators, dairy machinery, fermentators, internals as well as externals of pipes by pressurised spray bottle or pump. passivation proces improve the corrosion resistance of metal parts / surface.
Concentrated materials are suitable for use only on stainless steel. While diluted is suitable for cleaning aluminum.
RXSOL RO - 901 Passivation ::: Part No. - RXSOL-33-3310-025
RXSOL RO 901 is RO passivation to prevent deposit in Membrane System and removes residual chlorine containing in the feed water before going in to RO Membrane
Item Code: RXSOL-62-5522-025 1) Palladium Chloride Passivation Test Kit ::: Part No- RXSOL-62-5522-025 The reagent keeps colour on good passivated stainless steel. A black spot will appear when the surface has not been passivated correctly. Various qualities of passivation will give graduations of grey shades, ranging from light (acceptable) to dark (unacceptable). The RXSOL Passivation Test Kit is an easy and economical test kit to determine the Passiveness of austenitic stainless steel. Stainless steel is protected from corrosion by a thin layer that consists mainly of chromium oxide. Oxygen from the atmosphere is normally able to form and maintain this passive layer. Contamination, surface defects and imperfections disturb the formation and repair of the chromium oxide layer and reduce the resistance to severe or local corrosion. Therefore it is very important to test if your stainless steel is still passive to prevent corrosion and damage. The measure of passivation of stainless steel can be determined with a palladium chloride reagent. 2) Ferroxyl Test Kit for free IRON passivation ::: Part No:- RXSOL-62-5522-025 This test kist is specially designed to test of PICKLED staineless steel or to test of presence of embedded iron in the steel surface . Use the “ferroxyl test.” Spray the surface with a solution of potassium ferricyanide. If free iron is present, a blue color will appear. This test is extremely sensitive and often gives false positive results, that is, it gives an indication of iron being present when it really is not. The ferroxyl solution must be made fresh each day. Both the copper sulfate and the ferroxyl tests are described in ASTM A380. It is a very highly sensitive & hazardous test and should be used only when traces of free iron or iron oxide is "objectionable". Personnel familiar with its limitations and hazards should only be permitted to use this test method. The test is based on a reaction of potassium ferricyandide with iron in a strongly acid medium. The excess iron dissolves in this strongly acid medium as ferrous ion to form a blue complex, known as Prussian Blue. When during this test this blue coloration manifests itself it means that the surface of the stainless steel does not yet have the correct structure and has been insufficiently pickled. When the blue coloration does not appear this means that the structure has been restored and indicates that the surface has been satisfactorily pickled. After getting positive result Remove free iron and free iron oxides by using for example, a phosphoric acid solution or Citric acid. 3) Passivity Test Kit for PASSIVATION ::: Part No :- RXSOL-62-5529-001 This kit verifies if the surface is passive and if it will resist oxidation as requested by steel specifications for AISI 300 and 400. It can also be used to quickly separate Series 400 from Carbon steel. This test will give a red/pink result when in contact with Iron. The chemicals used in these tests are not hazardous. But the surface should be carefully rinsed after the test. Apply 1-2 drops of Reagent RXSOL TK-11 to the surface to be inspected and let it react for at least 1 minute. Absorb the drop with the filter paper (supplied) and add 1 drop of Reagent RXSOL TK-12. The paper will remain white if the surface is passive or if the piece is Stainless steel 400 Series. If the paper changes colour to pink it means that the surface is not, more or less, passive. The more pink, the less passive. An intense red colour means that the piece is Carbon steel