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M-6
Autoclaved magnesium chloride solution, 81.1 g/l, for fecal coliforms
P-32
Autoclaved phosphate buffer concentrate, pH 7.2, for fecal coliforms
H-21431-66
Hach dilution water concentrate powder pillow for fecals, MgCl2 + KH2PO4
R-70
ACS grade rosolic acid
Meets standards established by the American Chemical Society