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Official Journal of the Japan Wood Research Society

Table 2 Carboxymethylation of HSAL

From: Industrial utilizations of water-soluble sulfuric acid lignin prepared by hydrothermal treatment as flocculant and dispersant

 

Reaction conditions

C-HSAL Amount (mg)

Carboxyl group content (mmol/g)

Bromoacetic acid (mg)

Time (day)

C-HSAL #3

114 × 3

3

400

1.66

C-HSAL #5

114 × 5

5

403

2.83

C-HSAL #10

114 × 10

10

414

3.66