GOHSENOL

60 ~ 100

50 ~ 100

Corn starch

36

7400

Sodium polyacrylic acid

3.1

95

Polyethylene glycol (PEG600)

76

6.3

Polyethylene glycol (PEG1500)

76

3.1

Polyacrylamide

6.8

76

Measuring conditions : Sample concentrations mean pure material concentrations.
COD was measured by potassium permanganate method (JIS K 0102), and BOD&sup5; means the BOD value of over 5 days.
Measurement : Registration No. of measurement certification enterprise, Osaka No. 10013, KK Osaka Environmental Technology Center.