| Sample code | R (O) at 303K (+-0.5%) | R (O) at 423K (+-0.5%) | A at 303K (+-0.5%) | A at 423K (+-0.5%) | a at 303K (+-0.5%) | a at 423K (+-0.5%) |
| F40         | 1.00x1010              | 1.95x107               | 7.62x10-12         | 2.34x10-11         | 0.84               | 0.83               |
| B3          | 5.19x108               | 2.08x106               | 1.09x10-11         | 3.09x10-11         | 0.85               | 0.83               |
| B10         | 4.83x108               | 2.00x106               | 1.53x10-11         | 3.73x10-11         | 0.85               | 0.85               |
| B20         | 2.65x109               | 9.45x106               | 1.53x10-11         | 3.22x10-11         | 0.85               | 0.86               |

Caption: Fitting parameters of impedance spectra at 303 and 423K for bismuth iron phosphate glasses

You are provided with a table from a material science paper. Here are JSON templates for two types of numeric cells: "Other" and "Glass_Compound_Amount":
{"value": "xx", "type": "Other"}
{"value": "xx", "type": "Glass_Compound_Amount", "constituent": "xx", "unit": "xx", "material": "xx"}

Please describe all numeric cells in the above table following the JSON templates (proceeding by row in a left-right, top-down direction). For each cell, output one JSON description per line. For any unanswerable attributes in the templates, set their value to the placeholder "xx".

Cell Description:
{"value": "0.84", "type": "Other"}
{"value": "0.83", "type": "Other"}
{"value": "0.85", "type": "Other"}
{"value": "0.83", "type": "Other"}
{"value": "0.85", "type": "Other"}
{"value": "0.85", "type": "Other"}
{"value": "0.85", "type": "Other"}
{"value": "0.86", "type": "Other"}