Sulfurated
Lime Solution is employed in externally treatment of ringworm
infection, pediculosis and most frequently scabies by diluted with 9
volumes of water. A
more concentrated lime sulfur solution, containing about 20% of
sulfur is known as Lime Sulfur Sublimed, is used as insecticide in
plants after dilution. It is known to its other names
as Liquor calcis sulfuratae; Solution of Oxysulfuret of Calcium;
Vlemincks solution or Vlemincks lotion.
Formula:
Calcium
Hydroxide (Lime) 165g
Sumblime
Sulfur 250g
Water,
q.s. ________
To
make 1000ml
Preparation:
Slake the lime (add water), mix the sulfur and add the mixture
gradually to 1750ml of boiling water. Boil the mixture with frequent
agitation until reduced to 1000ml and maintain this volume for one
hour while boiling by addition of water from time to time. Cool,
filter and add sufficient quantity of water through the filter to
make the product measure 1000ml.
Remarks:
The solution contains calcium pentasulfide and calcium thiosulfate as
active ingredients.
12
S + 3 Ca(OH)2 → 2 CaS5 + CaS2O3 + 3 H2O
Sulfur Calcium hydroxide Calcium pentasulfide Calcium thiosulfate water