Calcium (Ca) Colorimetric Assay Kit
钙(Ca)比色法测试盒
规格: | / 48T(32 samples) / 96T(80 samples) |
价格: | / ¥200 / ¥280 |
货号:E-BC-K103-M
检测仪器及波长: 酶标仪(600-620 nm,最佳波长610 nm)
样本类型: 血清(浆);尿液;组织
检测原理
样本中钙离子在碱性溶液中与甲基百里香酚蓝(MTB)结合,生成蓝色络合物;其颜色深浅与钙离子浓度成正比,该物质在610 nm处有最大吸收峰,通过比色与同样处理的钙标准进行比较,可计算出样本中钙的含量。
关键信息
指标简称 | Ca |
样本类型 | 血清(浆);尿液;组织 |
灵敏度 | 0.07 mmol/L |
检测范围 | 0.07-1.2 mmol/L |
精密度 | 批间差:8.5%批内差:4.7% |
检测仪器及波长 | 酶标仪 |
保存条件 | 2-8℃ |
有效期 | 6个月 |
样本稀释倍数
在正式检测前,需选择2-3例预期差异大的样本稀释成不同浓度进行预实验,不同样本的稀释倍数如下表(仅供参考):
样本 |
稀释倍数 |
样本 |
稀释倍数 |
狗血清 |
2-3 |
人尿液 |
4-8 |
人血清 |
3-6 |
20%动物组织匀浆 |
不稀释 |
小鼠血清 |
3-6 |
注:稀释液为去离子水
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