
Standard I Nutrient Agar – 250g | General-Purpose Bacterial Culture
Premium General-Purpose Medium for Robust Bacterial Growth
Standard I Nutrient Agar delivers superior colony development with elevated peptone content (15g/L) and optimized electrolyte balance. Ideal for routine microbiology workflows requiring consistent, high-yield results.
Key Applications:
– Daily quality control strain maintenance
– Environmental surface monitoring
– Educational laboratory exercises
– Water and food sample screening
– Pharmaceutical facility bioburden testing
Technical Specifications:
– Formula (per liter):
– Peptones: 15.0g
– Yeast Extract: 3.0g
– Sodium Chloride: 6.0g
– D(+)Glucose: 1.0g
– Agar: 12.0g
– pH: 7.5 ± 0.2 (25°C)
– Packaging: 250g/bottle
– Storage: Room temperature (15-25°C)
– Shelf Life: 3 years
Preparation Protocol:
1. Suspend 37.0g* in 1L distilled water
2. Boil with continuous stirring until dissolved
3. Autoclave at 121°C for 15 minutes
4. Pour plates at 45-50°C
*Calculated from formula total: 15+3+6+1+12=37g/L
Quality Notes:
– Enhanced nutrient profile vs standard formulations
– Low background contamination
– Batch-specific gel strength certification