Urinalysis - The Carter Center

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Reagent No.5 Bleach for Preservation of S.Hematobium egg in
urine
S. hematobium. egg preserved by adding 1ml (1-% v/v).
Domestic bleach in every 10 ml urine.
Reagent No.6 Boric Acid Preservative (1-%w/v) 10 gm/l
Boric acid --------------10gm.
Dissolve in 1000ml distilled water.
Reagent No.7 Ehrlich's Reagent for Uroblinogen
To make 200ml
para-dimethylaminobenzaldehyde --------------------- 4 gm
HCl concentrated ----------------------------------------- 40 ml
Distilled H 2 O --------------------------------------------- 160ml
a. Weigh the para-dimethylaminobenzaldeyde and
transfer it to clean, leak proof bottle.
b. Measure the water and add to chemical and mix
c. Add conc. HCl and mix well.
d. Label the bottle and mark, as it is corrosive.
Store at room temperature the reagent is stable
for several weeks.
Reagent No. 8 10 % Ferric Chloride Reagent
Weigh 10 g of ferric chloride and transfer to a 100-ml volumetric flask.
Dissolve and dilute to 100ml volume with water and mix.
Reagent No. 9 Fouchet’s Reagent
Trichloroacetic acid ---------------------- 25gm
Distilled H 2 O ------------------------------100ml
10% Ferric chloride (FeCl 3 ) -------------10ml
Mix well.