Alizarin complexone is obtained by the condensation of alizarin with formaldehyde solution and iminodiacetic acid in the presence of alkaline conditions.

茜素络合指示剂是在碱性条件下由茜素、醛和亚氨基二乙酸缩合而成。

So the mixed indicator of phenolphthalein with alizarin red-methyl red could be used as the new indicator for the alkalify water determination.

采用百里蓝-红、溴-基红混和指示剂的测试效果较差。

Alizarin complexone is obtained by the condensation of alizarin with formaldehyde solution and iminodiacetic acid in the presence of alkaline conditions.

茜素络合指示剂是在碱性条件茜素、甲醛和亚氨基二乙酸缩合而成。

So the mixed indicator of phenolphthalein with alizarin red-methyl red could be used as the new indicator for the alkalify water determination.

采用百里酚蓝-甲酚红、溴甲酚绿-甲基红混和指示剂的测试效果较差。

Alizarin complexone is obtained by the condensation of alizarin with formaldehyde solution and iminodiacetic acid in the presence of alkaline conditions.

茜素络合指示剂是在碱性条件下由茜素、甲醛和亚氨基二乙酸缩合而成。

So the mixed indicator of phenolphthalein with alizarin red-methyl red could be used as the new indicator for the alkalify water determination.

采用百里酚蓝-甲酚、溴甲酚绿-甲基混和指示剂的测试效果较差。

Alizarin complexone is obtained by the condensation of alizarin with formaldehyde solution and iminodiacetic acid in the presence of alkaline conditions.

茜素络合指示剂是在碱性条件下由茜素、甲醛和亚氨基二乙酸缩合而。

So the mixed indicator of phenolphthalein with alizarin red-methyl red could be used as the new indicator for the alkalify water determination.

百里酚蓝-甲酚红、溴甲酚绿-甲基红混和指示剂的测试效果较差。

Alizarin complexone is obtained by the condensation of alizarin with formaldehyde solution and iminodiacetic acid in the presence of alkaline conditions.

茜素络合指示剂是在碱性条件下由茜素、甲醛和亚氨基二乙酸缩合而成。

So the mixed indicator of phenolphthalein with alizarin red-methyl red could be used as the new indicator for the alkalify water determination.

采用百里酚蓝-甲酚红、溴甲酚绿-甲基红混和指示剂效果较差。

Alizarin complexone is obtained by the condensation of alizarin with formaldehyde solution and iminodiacetic acid in the presence of alkaline conditions.

茜素络合指示剂是在碱性条件茜素、甲醛和亚氨基二乙酸缩合而成。

So the mixed indicator of phenolphthalein with alizarin red-methyl red could be used as the new indicator for the alkalify water determination.

采用百里酚蓝-甲酚红、溴甲酚绿-甲基红混和指示剂的测试效果较差。

Alizarin complexone is obtained by the condensation of alizarin with formaldehyde solution and iminodiacetic acid in the presence of alkaline conditions.

茜素络合指示剂是在碱性条件下由茜素、甲醛和亚氨基二乙酸缩合而成。

So the mixed indicator of phenolphthalein with alizarin red-methyl red could be used as the new indicator for the alkalify water determination.

里酚蓝-甲酚红、溴甲酚绿-甲基红混和指示剂的测试效果较差。

Alizarin complexone is obtained by the condensation of alizarin with formaldehyde solution and iminodiacetic acid in the presence of alkaline conditions.

络合示剂是在碱性条件下由、甲醛亚氨基二乙酸缩合而成。

So the mixed indicator of phenolphthalein with alizarin red-methyl red could be used as the new indicator for the alkalify water determination.

采用百里酚蓝-甲酚红、溴甲酚绿-甲基红示剂的测试效果较差。

Alizarin complexone is obtained by the condensation of alizarin with formaldehyde solution and iminodiacetic acid in the presence of alkaline conditions.

茜素络合指示剂是条件下由茜素、甲醛和亚氨基二乙酸缩合而成。

So the mixed indicator of phenolphthalein with alizarin red-methyl red could be used as the new indicator for the alkalify water determination.

采用百里酚-甲酚红、溴甲酚绿-甲基红混和指示剂的测试效果较差。