1.01972

Silica gel with moisture indicator (brown gel)

desiccant ~ 1 - 4 mm

• 동의어(들): Brown Silica Gel
• UNSPSC 코드: 41123003
• NACRES: NB.51

속성

• Agency: suitable for EPA OTM-45
• Quality Level: 200
• 양식: granular
• 표면적: 700 m²/g
• 손실: ≤2.0% loss on drying, 150°C
• 입자 크기: 1-4 mm
• 공극 크기: 2.0-2.5 nm
• pH: 2-10 (50 g/L in H₂O, slurry)
• mp: >1000 °C
• 응용 분야: PFAS testing
• 저장 온도: 2-30°C

설명

일반 설명

Silica gel with moisture indicator (brown gel) is commonly used as a desiccant in laboratories. Silica brown gel changes its color from brown to yellowish at water uptake from the atmosphere.

분석 메모

Bulk density: about 75
Loss on drying (150 °C): ≤ 2.0 %
Water absorption capacity (24 hrs.,80 % relative humidity): ≥ 20.0 %

안전성 정보

• Storage Class Code: 13 - Non Combustible Solids
• WGK: WGK 1
• Flash Point (°F): Not applicable
• Flash Point (°C): Not applicable