The photometric probe is sensitive to the color change of acid chrome K and naphthol green B mixed indicator when Ca 2+ and Mg 2+ are titrated with EDTA.
应用于EDTA滴定钙镁时，该探头能灵敏地响应酸性铬蓝K萘酚绿B混合指示剂的颜色变化，从而实现了自动光度滴定。
There is no effect of the tested meta ions on enzyme activity but the inhibition of EDTA on enzyme could be complemented by addition of Ca(superscript 2+) partially.
测试大多数金属离子对酶活力没有明显影响，但Ca（上标2+）能很大程度地缓解EDTA对酶活的抑制作用。
There is no effect of the tested meta ions on enzyme activity but the inhibition of EDTA on enzyme could be complemented by addition of Ca(superscript 2+) partially.
测试大多数金属离子对酶活力没有明显影响，但Ca（上标2+）能很大程度地缓解EDTA对酶活的抑制作用。
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