We use of colorimetric phenol reagent and formaldehydemeasurement devices for measuring formaldehyde, the accuracy of the measurement results can reach nominal 5% of the device.
采用酚试剂比色法并合理使用甲醛测量装置对甲醛含量进行了测定，测量结果的精度能够达到装置标称的5%。
2
Thus, measuring efficiency is improved with the cell based on right-angle prism being used in the measurement of formaldehyde concentration.
因此，基于直角棱镜的吸收池用于甲醛浓度测量中，可以提高测试速度和工作效率。
3
There are six types of monitor methods of formaldehyde in the indoor decorating and renovating materials. The analyzing methods are not unified, and there is no specified quality control measurement.