phthalein 的定义
Chemistry.
- any of a group of compounds formed by treating phthalic anhydride with phenols, from which certain important dyes are derived.
更多phthalein例句
- When heated with caustic alkalis it yields dibromresorcin and dibrommonoresorcin-phthalein.
- The phthalein on the day following the second venesection was 45 per cent in two hours.
- The phthalein excretion is quite normal and the excretions of salt and nitrogen are also normal.