EPA SM ASTM ISO China MEP USP EP AOAC Other pH EPA 150.14500-H+(B)D1293 (A,B)10523GB/T 6920<791>2.2.3973.41FDA - 21 CFR 114.90 pH of Soil/Solid Waste SW-846 9040C & 9045DD497210390GB/T15555994.16 - 994.18USDA NRCS Conductivity ...
Method D3872-86), sulfides (Method 9030), and Oxidation Reduction Potential (ORP) (ASTM Method D 1498-93 - aqueous samples). Method 9045 (Section 7.2 of Method 9045) is referenced as the preparatory method for soil samples. The ORP and temperature probes are inserted directly into the soil...
EC Us Epa 被引量: 24发表: 2015年 The Green Book The article offers a look at the book 'The Green Book,' by Jill Paton Walsh and suggests that the book will be popular in the future because it is a science fiction book. The author describes the plot of the book and several of its...