ASTM D4195-88(1998)e1

ASTM D4195-88(1998)e1 - 10.12.1998

1. Scope

1.1 This guide covers the analyses that should be performed on any given water sample if reverse osmosis application is being considered.

1.2 This guide is applicable to waters including brackish waters and seawaters but is not necessarily applicable to waste waters.

1.3 This is a guide only and should not be construed as a delineation of all ions known to exist in waters.

1.4 This standard may involve hazardous materials, operations, and equipment. This standard does not purport to address all of the safety problems associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

2. Referenced Documents

D3370-25	Standard Practices for Sampling Water from Flowing Process Streams
D3561-16(2021)e1	Standard Test Method for Lithium, Potassium, and Sodium Ions in Brackish Water, Seawater, and Brines by Atomic Absorption Spectrophotometry (Includes all amendments and changes 12/22/2021).
D3867-16(2021)e1	Standard Test Methods for Nitrite-Nitrate in Water (Includes all amendments and changes 12/23/2021).
D859-16(2021)e1	Standard Test Method for Silica in Water (Includes all amendments and changes 12/6/2021).
D888-18(2026)	Standard Test Methods for Dissolved Oxygen in Water
D1068-15	Standard Test Methods for Iron in Water (Withdrawn 2024)
D1129-24	Standard Terminology Relating to Water
D858-17(2025)	Standard Test Methods for Manganese in Water
D512-23	Standard Test Methods for Chloride Ion In Water
D511-14(2021)e1	Standard Test Methods for Calcium and Magnesium In Water (Includes all amendments and changes 12/6/2021).
D4382-18(2026)	Standard Test Method for Barium in Water, Atomic Absorption Spectrophotometry, Graphite Furnace
D6161-19	Standard Terminology Used for Microfiltration, Ultrafiltration, Nanofiltration, and Reverse Osmosis Membrane Processes
APHA	Standard Methods for the Examination of Water and Wastewater, Sixteenth Edition, 1985, pp. 470-478, Part 427, Sulfite
D4194-23	Standard Test Methods for Operating Characteristics of Reverse Osmosis and Nanofiltration Devices
D513-16(2024)	Standard Test Methods for Total and Dissolved Carbon Dioxide in Water
D516-22	Standard Test Method for Sulfate Ion in Water
D857-17(2025)	Standard Test Method for Aluminum in Water
D1179-16(2021)e1	Standard Test Methods for Fluoride Ion in Water (Includes all amendments and changes 12/6/2021).
D1253-14(2021)e1	Standard Test Method for Residual Chlorine in Water (Includes all amendments and changes 12/6/2021).
D1293-18	Standard Test Methods for pH of Water
D1889-00	Standard Test Method for Turbidity of Water (Withdrawn 2007)
D4189-23	Standard Test Method for Silt Density Index (SDI) of Water
D3352-15	Standard Test Method for Strontium Ion in Brackish Water, Seawater, and Brines (Withdrawn 2024)
D2579-93e1	Standard Test Method for Total Organic Carbon in Water (Withdrawn 2002)