Study Set Content:
Plaster of Paris
Plaster of Paris Identification
Yields the reaction characteristics of calcium salts and sulfates
Plaster of Paris Tests
Plaster of Paris loss of ignition
When ignited to constant weight at red heat, it loses 4.5% to 8.0% of its weight. Use 1g
Potassium Acetate aka
Acetic acid, potassium salt; potassium acetate
Potassium Acetate
Potassium Acetate Identification test general of Potassium
Sample solution:100 mg/ml
Acceptance criteria: Meets the requirement
Potassium Acetate Identification test general of Acetate
Sample solution:100 mg/ml
Acceptance criteria: Meets the requirement
Packaging and Storage of Potassium Acetate
Preserve in tight containers
S
brown black coloration on filter paper
Fe(CN)6 4-
dark blue ppt
Fe(CN)6 3-
dark blue ppt
Cl
white ppt
SCN
Blood red coloration
I
Violet color in CCl4 layer
Br
yellow/orange color
CO3
effervescence
SO3
white ppt
AsO3 3-
yellow ppt
AsO4
Brown soln/ pink CCl4 layer
