ASTM D8438/D8438M-23 82 PDF Download
1.1 This test method describes procedures for sampling and testing of soils obtained from ground-based samples using diffuse reflectance spectrometry using handheld portable spectrometers measuring spectra in visible and near infrared (vis-NR) and mid-infrared (MIR) range. The sensor can measure moisture content, PH, organic matter, Cation Exchange Capacity (CEC) as well as macro and micro elemental nutrients in parts per million (PPM) or percentage, including but not limited to nitrogen, phosphorous, potassium, zinc, iron, boron, sulfur, calcium, magnesium, and manganese.
Product Details
- Published:
- 02/15/2023
- Number of Pages:
- 7
- File Size:
- 1 file , 130 KB
- Note:
- This product is unavailable in Russia, Ukraine, Belarus