| | POLY(ISOBUTYLENE-ALT-MALEIC ANHYDRIDE), (250G) | 540 | ¥540 | ¥540 | | ¥540 |  |
| | pH试纸, Intermediate, three squares with different indicators on each strip, 5-10 pH range (6units) | 1764 | ¥1764 | ¥1764 | | ¥1764 |  |
| | 硫代苯甲酸 (500g) | 887 | ¥887 | ¥887 | | ¥887 |  |
| | pH试纸, Narrow, one square with single indicator on each strip, 2.5-4.5 pH range (6units) | 1764 | ¥1764 | ¥1764 | | ¥1764 |  |
| | 全氟癸基碘 (5g) | 1070 | ¥1070 | ¥1070 | | ¥1070 |  |
| | pH试纸, Intermediate, three squares with different indicators on each strip, 5-10 pH range (1unit) | 504 | ¥504 | ¥504 | | ¥504 |  |
| | 1,2-二溴六氟丙烷 (25g) | 399 | ¥399 | ¥399 | | ¥399 |  |
| | 2-溴-5-氯三氟甲苯 (25g) | 2439 | ¥2439 | ¥2439 | | ¥2439 |  |
| | 1,2-二溴六氟丙烷 (100g) | 1348 | ¥1348 | ¥1348 | | ¥1348 |  |
| | pH试纸, Intermediate, three squares with different indicators on each strip, 2-9 pH range (6units) | 1764 | ¥1764 | ¥1764 | | ¥1764 |  |