| Nitrogen metabolism series | |||
| CK-SH-0164 | (NR) Assay Kit | Spectrophotometry | 50tube/24well |
| CK-SH-0165 | （GOGAT） Assay Kit | UV spectrophotometry | 50tube/48well |
| CK-SH-0166 | （GDH） Assay Kit | UV spectrophotometry | 50tube/48well |
| CK-SH-0167 | NO Assay Kit | Spectrophotometry | 50tube/24well |
| CK-SH-0168 | Water and Soil Nitrite content Assay Kit | Spectrophotometry | 50tube/48well |
| CK-SH-0169 | Food Nitrite content Assay Kit | Spectrophotometry | 50tube/48well |
| CK-SH-0170 | （GS) Assay Kit | Spectrophotometry | 50tube/24well |
| CK-SH-0171 | Plant nitrate nitrogen Assay Kit | Spectrophotometry | 50tube/48well |
| CK-SH-0172 | Soil ammonium nitrogen Assay Kit | Spectrophotometry | 50tube/48well |
| CK-SH-0173 | Soil nitrate nitrogen Assay Kit | Spectrophotometry | 50tube/48well |
| CK-SH-0174 | Plant ammonia nitrogen Assay Kit | Spectrophotometry | 50tube/48well |
| CK-SH-0175 | Urea nitrogen Assay Kit | Spectrophotometry | 50tube/48well |
| CK-SH-0176 | (NiR) Assay Kit | Spectrophotometry | 50tube/24well |
| CK-SH-0177 | (NR) Assay Kit | micromethod | 100tube/48well |
| CK-SH-0178 | （GOGAT） Assay Kit | micromethod | 100tube/96well |
| CK-SH-0179 | （GDH） Assay Kit | micromethod | 100tube/96well |
| CK-SH-0180 | NO Assay Kit | micromethod | 100tube/48well |
| CK-SH-0181 | Water and Soil Nitrite content Assay Kit | micromethod | 100tube/48well |
| CK-SH-0182 | Food Nitrite content Assay Kit | micromethod | 100tube/96well |
| CK-SH-0183 | （GS) Assay Kit | micromethod | 100tube/48well |
| CK-SH-0184 | Plant nitrate nitrogen Assay Kit | micromethod | 100tube/96well |
| CK-SH-0185 | Soil ammonium nitrogen Assay Kit | micromethod | 100tube/96well |
| CK-SH-0186 | Soil nitrate nitrogen Assay Kit | micromethod | 100tube/96well |
| CK-SH-0187 | Plant ammonia nitrogen Assay Kit | micromethod | 100tube/96well |
| CK-SH-0188 | Urea nitrogen Assay Kit | micromethod | 100tube/96well |
| CK-SH-0189 | (NiR) Assay Kit | micromethod | 100tube/48well |