Micro-organisms in Water: Their Significance, Identification and RemovalLongmans, 1894 - 532 páginas |
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Página 11
... gelatine does not come in contact with the sides of the test - tube near the mouth of the latter , as this would cause the cotton- wool stopper to stick to the glass and make it trouble- some to remove . To prevent this the gelatine ...
... gelatine does not come in contact with the sides of the test - tube near the mouth of the latter , as this would cause the cotton- wool stopper to stick to the glass and make it trouble- some to remove . To prevent this the gelatine ...
Página 12
... gelatine must be gently heated in the steriliser until it is liquid . The gelatine culture medium if properly made should look perfectly clear and nearly colourless in the test - tubes , and should only melt at a temperature of 25 ° C ...
... gelatine must be gently heated in the steriliser until it is liquid . The gelatine culture medium if properly made should look perfectly clear and nearly colourless in the test - tubes , and should only melt at a temperature of 25 ° C ...
Página 13
... gelatine peptone , and , whilst most organisms thrive especially well upon it , some , like the bacillus tuberculosis , refuse to grow on gelatine without its addition . Other materials , such as grape sugar , mannite , acetic acid ...
... gelatine peptone , and , whilst most organisms thrive especially well upon it , some , like the bacillus tuberculosis , refuse to grow on gelatine without its addition . Other materials , such as grape sugar , mannite , acetic acid ...
Página 14
... gelatine and iron agar . - In order to deter- mine the production of sulphuretted hydrogen by certain bacteria , Fromme1 prepared a culture material consisting of gelatine peptone , to which a small quantity of iron ( the exact quantity ...
... gelatine and iron agar . - In order to deter- mine the production of sulphuretted hydrogen by certain bacteria , Fromme1 prepared a culture material consisting of gelatine peptone , to which a small quantity of iron ( the exact quantity ...
Página 31
... gelatine - plate is quickly removed to a damp chamber , where it is placed on a glass bench upon which another glass bench can be placed with its gelatine - plate until the chamber is filled . The damp chamber consists of an ordinary ...
... gelatine - plate is quickly removed to a damp chamber , where it is placed on a glass bench upon which another glass bench can be placed with its gelatine - plate until the chamber is filled . The damp chamber consists of an ordinary ...
Otras ediciones - Ver todas
Micro-Organisms in Water: Their Significance, Identification and Removal ... Percy Frankland Sin vista previa disponible - 2022 |
Términos y frases comunes
acid agar-agar AGAR-AGAR.-Forms aniline Bakterien becomes Beggiatoa bottom bouillon broth c.c. of water cent centre Chemnitz cholera bacilli circular cocci colour containing cover-glass Crown 8vo cubic centimetre Cultures depth colonies diplococci distilled water examined experiments filter beds filtered water filtration flasks flocculent forms Found.-In GELATINE PLATES GELATINE PLATES.-Forms GELATINE TUBES.-Forms granular greyish grows growth Illustrations incubator inoculated insolation investigations irregular large number later lime liquefaction liquefaction takes place LIQUEFIES GELATINE Authority liquid low power method microbes Microscopic Appearance motile needle's path number of bacteria number of micro-organisms obtained organisms Ourcq pathogenic pellicle peptone Percy Frankland periphery potato produced resembling river River Thames rounded ends samples sewage shining solution spirilla spirillum stain sterile sterilised surface colonies temperature tetanus Thames water threads tion tubes turbid typhoid bacillus Ueber unfiltered water unsterilised visible whilst white expansion yellow yellowish Zeitschrift für Hygiene
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