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Presence Absence Broth
Storage:RT.
Product introduction
For coliform counts in water.
preparation method
91.5 grams of this product was weighed and dissolved in 1000ml distilled water with heating and stirring to make three times the concentration of present hidden broth, which was divided into aliquots and autoclaved at 121 ° C for 12 minutes before use.
composition: g/L
Beef dip powder: 3.0
peptone: 5.0
Lactose: 7.46
peptone: 9.83
Dipotassium hydrogen phosphate: 1.35
Potassium dihydrogen phosphate: 1.35
Sodium chloride: 2.46
Sodium lauryl sulfate: 0.05
Bromocresol violet: 0.0085
pH: 6.8±0.2, 25℃
Note:Product information may be optimized and upgraded. Please refer to the actual label information for accuracy.
Remark：
These protocols are for reference only. Solarbio does not independently validate these
methods.
Note：
1. The products are all for scientific research use only. Do not use it for medical, clinical diagnosis or treatment, food and cosmetics, etc. Do not store them in ordinary residential areas.
2. For your safety and health, please wear laboratory clothes, disposable gloves and masks.
3. The experimental results may be affected by many factors, after-sale service is limited to the product itself and does not involve other compensation.
