Table 4 Word frequency count of 13 product and service attributes identified in the content analysis of PAC vendors’ promotional marketing materials
From: Opportunities for lignin valorization: an exploratory process
| 9 product attributes | Word frequency count (WFC) |
| Concrete Friendly | 76 |
| Product Effectiveness | 60 |
| Product Reliability | 44 |
| Density | 41 |
| Product Efficiency | 41 |
| Ignition Temperature | 39 |
| Injection Rate | 38 |
| Proven Product Performance | 35 |
| Customizable Product | 32 |
| Total (product attributes) | 408 |
| 4 service attributes | Word frequency count (WFC) |
| Reliable Delivery | 39 |
| ACI Installations | 18 |
| On-Site Support | 12 |
| Product Guarantee | 10 |
| Total (service attributes) | 78 |
| Total (13 product and service attributes) | 486 |
