原产国：美国品牌：MiroessentialLab精密PH试纸具体参考规格见下：PH范围PH比对点0.0-3.00.0/0.5/1.0/1.5/2.0/2.5/3.00.0-1.50.0/0.4/0.8/1.0/1.50.8-2.00.8/1.0/1.2/1.4/1.6/1.8/2.01.0-2.51.0/1.5/2.0/2.51.2-2.41.2/1.6/1.8/2.0/2.41.4-2.81.4/1.7/1.9/2.1/2.4/2.81.3-4.41.3/1.8/2.3/2.8/3.3/3.9/4.41.6-3.71.6/1.9/2.2/2.5/2.8/3.1/3.4/3.72.5-4.52.5/2.9/3.3/3.7/4.0/4.3/4.52.8-4.62.8/3.1/3.4/3.7/4.0/4.3/4.62.9-5.22.9/3.2/3.5/3.8/4.1/4.4/4.8/5.23.0-5.53.0/3.5/4.0/4.5/5.0/5.53.0-6.03.0/3.5/4.0/4.5/5.0/5.5/6.03.4-4.83.4/3.8/4.2/4.6/4.83.5-6.53.5/4.0/4.5/5.0/5.5/6.0/6.53.9-5.73.9/4.2/4.5/4.8/5.1/5.4/5.74.5-6.14.5/4.7/5.0/5.3/5.5/5.8/6.14.5-7.54.5/5.0/5.5/6.0/6.5/7.0/7.54.8-6.74.8/5.3/5.9/6.3/6.74.9-6.94.9/5.1/5.4/5.7/6.0/6.3/6.6/6.95.2-6.65.2/5.7/6.0/6.2/6.65.5-8.05.5/5.8/6.0/6.2/6.4/6.6/6.8/7.0/7.2/7.4/7.6/8.05.6-6.85.6/5.8/6.0/6.4/6.6/6.86.0-7.46.0/6.2/6.4/6.6/6.8/7.0/7.2/7.46.0-8.06.0/6.4/6.8/7.0/7.2/7.6/8.06.0-9.56.0/6.5/7.0/7.5/7.8/8.0/8.3/8.5/8.8/9.0/9.3/9.56.8-8.46.8/7.2/7.6/8.0/8.47.2/8.87.2/7.8/8.2/8.4/8.87.9-9.77.9/8.2/8.5/8.8/9.1/9.4/9.78.0-9.58.0/8.5/9.0/9.58.1-9.48.1/8.4/8.6/8.9/9.2/9.48.2-9.88.2/8.6/9.1/9.4/9.89.0-10.09.0/9.3/9.5/9.7/10.09.0-12.09.0/9.5/10.0/10.5/11.0/11.5/12.09.2-10.69.2/9.4/9.6/9.8/10.1/10.610.0-12.010.0/10.5/11.0/11.5/12.010.2-12.010.2/10.6/11.0/11.6/12.010.2-12.310.2/10.5/10.8/11.1/11.4/11.7/12.0/12.311.8-13.411.8/12.3/12.8/13.412.4-13.912.4/12.7/13.0/13.3/13.6/13.912.5-14.012.5/13.0/13.5/14.0)