Table 3 Products supplied to the laboratories participating in the ring trial.
Panel A: chemicals | ||||
|---|---|---|---|---|
Name | CAS number | Purity | Product code | Brand |
Sodium phosphate monobasic anhydrous | 7558–80-7 | ≥ 99.0% | S0751-100G | Sigma-Aldrich |
Sodium chloride | 7647–14-5 | ≥ 99.5% | 71,380-1 KG-M | Sigma-Aldrich |
Sodium phosphate dibasic anhydrous | 7558–79-4 | ≥ 99.0% | BP332-1 | Fisher Chemical™ |
Starch from potato | 9005–25-8 | N/A | S2004-500G | Sigma-aldrich |
3,5-dinitrosalicylic acid | 609–99-4 | ≥ 98% | D-0550 | Sigma-aldrich |
Potassium sodium tartrate tetrahydrate | 6381–59-5 | ≥ 99.0% | S2377-1 KG | Sigma-aldrich |
Maltose monohydrate | 6363–53-7 | General purpose grade | M/1450/48 | Fisher chemical™ |
Panel B: Test products | ||||
|---|---|---|---|---|
Commercial name | Designation in the manuscript | Origin | Product code1 | Brand |
α-amylase (porcine pancreatic) | α-amylase M | Porcine pancreas | E-PANAA-12G | Megazyme |
Pancreatic α-amylase from porcine pancreas Type VI-B | α-amylase S | Porcine pancreas | A3176-500KU | Sigma-aldrich |
Pancreatin from porcine pancreas | Pancreatin | Porcine pancreas | P7545-25G | Sigma-aldrich |
Saliva, pooled Human Donors | Human saliva | Pool from 10 healthy adults | 991-05-P | Medix biochemica |
