The Turbidity Standard Solution, cataloged under National Stock Number 6850-01-679-5639, is classified within Federal Supply Class 6850 (Miscellaneous Chemical Specialties) of the Chemicals and Chemical Products group. Government technical data includes 3 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6850-01-679-5639 |
| Item Name | Turbidity Standard Solution |
| FSC / FSG | 6850 / 68 — Miscellaneous Chemical Specialties |
| Status | ACTIVE |
| Specific Gravity Value | 1.02 NOMINAL |
| Quantity Within Each Unit Package | 500.00 MILLILITERS |
| Color | WHITE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Hazardous per DLA record (HMIC D) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 2660449 | 3/2 Design control — primary reference U.S. Government activity |
NSN 6850-01-679-5639 is a Turbidity Standard Solution, classified under FSC 6850, Miscellaneous Chemical Specialties. Status: active.
Key specifications for 6850-01-679-5639: Specific Gravity Value: 1.02 NOMINAL; Quantity Within Each Unit Package: 500.00 MILLILITERS; Color: WHITE; Special Features: PHYSICAL FORM: LIQUID; COLOR: MILKY WHITE; ODORLESS; PH: 8.14; MELTING POINT: 0.00 DEG. C.; BOILING POINT: 100.00 DEG. C.; EVAPORATION RATE: 1.00; VAPOR DENSITY: 0.62; VAPOR PRESSURE: 17.47 MMHG; SOLUBILITY: >1000.00 MG/L; CONTAINER SIZE: 500.00 ML BOTTLE; 200.00 NTU; INCOMPATIBLE MATERIAL: STRONG OXIDIZING AGENTS, STRONG ACIDS AND STRONG BASES; HAZARDOUS DECOMPOSITION PRODUCTS: AMMONIA, CARBON MONOXIDE, FORMALDEHYDE, NITROGEN OXIDES, SODIUM OXIDES AND SULFUR OXIDES;. 3 specifications are documented in the U.S. Government catalog.
Hazardous per DLA record (HMIC D). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.