Part 48

Lime, analysis of, 80.

Lithium, determination of, 60.

Litmus reagent, 94. lactose-agar, 97. solution, 96.

Manganese, determination of, 48.

Materials, bacteriological, 93.

Meat extract, 93.

Media, culture (see “Culture media”), 94–7, 107.

Methyl orange indicator, 37.

Methyl red media, 107. test, 107.

Microscopical bibliography, 91. examination, 89.

Mineral analysis, 56.

Moisture in sludge and mud, 74.

Mud deposits, analysis, 73.

Nessler’s reagent, color standards, 10. ammonia determination, 19.

Nitrogen, 15. ammonia, 15. albuminoid, 20.

Nitrogen, in sludge and mud, 74. nitrate, 23. nitrite, 22. organic, 21. total, 25.

Nutrient media (see “Culture media”), 94, 107.

Odor, 12.

Organic nitrogen, 21.

Oxygen consumed, 25. demand, biochemical, 71. dissolved, 65. in fresh and sea water (table), 68.

Peptone, authorized brands, 93.

Persulfate method (Mn), 48.

Petri dishes, 93.

Phenoldisulfonic acid method (nitrate), 23.

Phenolphthalein indicator, 36, 94.

Physical examination, 4.

Pipettes, bacteriological, 93.

Plating, bacteriological, 99.