| Besiyerleri ve Katkıları | Merck Kod |
| PALCAM Agar | 1.11755 |
| PALCAM Agar Selective Supplement | 1.12122 |
| PCA (Plate Count Agar) | 1.05463 |
| Peptone from Casein (Tryptone), pancreatic, free from sulfonamide antagonists | 1.02239 |
| Peptone from Casein (Tryptone), pancreatic, granulated | 1.07213 |
| Peptone From Casein for Biotechnology Fermtech | 1.11931 |
| Peptone from Gelatin (pancreatic) | 1.07284 |
| Peptone from Meat (pancreatic), granulated | 1.07214 |
| Peptone from Meat (peptic), granulated | 1.07224 |
| Peptone From Soy for Biotechnology Fermtech | 1.11932 |
| Peptone from Soyameal (papainic) | 1.07212 |
| Perfringens Selective (SPS; Sulfite Polymyxine Sulfadiazine) Agar | 1.10235 |
| Perfringens Selective Agar acc. to MARSHALL (TSN Agar) | 1.05264 |
| Phenol Red Broth Base | 1.10987 |
| Plate Count Agar | 1.05463 |
| Potassium Tellurite Trihydrate for Microbiology | 1.05164 |
| Potassium Tetrathionate for Microbiology | 1.05169 |
| Potato Dextrose Agar | 1.10130 |
| Proteose Peptone | 1.07229 |
| Pseudomonas Aeromonas Selective Agar Base (GSP) acc. to Kielwein | 1.10230 |
| Pseudomonas Agar F, Base |
| Pseudomonas Selective (Cetrimide) Agar Base | 1.05284 |