…2.0 (1993) and Standard Methods 2130 B-2001. 2020i version meets design criteria for quantitative methods of turbidity using optical turbidimeters as specified by ISO 7027. Best for colored or extremely turbid samples. Kits are supplied with 0, 1, and 10 NTU standards (item 1154P51) or…
…color standards in increments of 5.0 or 1.0 pH unit, as indicated in listings below Kits are offered covering ranges from pH 3.0-10.0 to pH 8.5-12.0 For each pH range, two kits are offered: one without and one with the LaMotte Bi-Color Reader which compensates for the presence of turbidity…