yellow precipitate การใช้

• A yellow precipitate, arsenic trisulfide ( As 2 S 3 ) would be formed if arsenic was present.
• When potassium iodide solution reacts with lead ( II ) nitrate solution, a yellow precipitate of lead ( II ) iodide is formed.
• Lead iodide prepared from cold solutions of and salts usually consists of many small hexagonal platelets, giving the yellow precipitate a silky appearance.
• While Marsh was able to detect arsenic, the yellow precipitate did not keep very well, and by the time it was presented to the jury it deteriorated.
• A test for the presence of iodide ions is the formation of yellow precipitates of these compounds upon treatment of a solution of silver nitrate or lead ( II ) nitrate.
• I react cuprous chloride ( I'll tell you how I made it later ) with sodium carbonate to get a yellow precipitate, a colorless solution, and fizzing.
• A greenish precipitate indicates about 0.5 g % concentration; yellow precipitate indicates 1 g % concentration; orange indicates 1.5 g % and red indicates 2 g % or higher concentration.
• The reaction of iodine and base with methyl ketones is so reliable that the " iodoform test " ( the appearance of a yellow precipitate ) is used to probe the presence of a methyl ketone.
• The hydrated oxide ( hydroxide ), PdO . " n " H 2 O can be produced as a dark-yellow precipitate by adding alkali to a solution of palladium nitrate, Pd ( NO 3 ) 2.
• Otherwise, if it forms a yellow precipitate, then Cd 2 + or Sn 4 + is present; or if it forms a brown precipitate, then Sn 2 + must be present; or if a red orange precipitate is formed, then Sb 3 + is present.