T/CRIAC 0088-2023 Active Group standards

T/CRIAC 0088-2023 Chemical reagents - Control products for gas chromatography - Anhydrous ethanol

T/CRIAC 0088-2023

Publish Date: 2023-07-10 Implement Date: 2023-08-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: T/CRIAC 0088-2023

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: -

ICS Name: Chemical reagents

Publish Date: 2023-07-10

Implement Date: 2023-08-01

Scope

Scope: This document specifies the characteristics, specifications, testing, inspection rules, packaging, and marking of anhydrous ethanol used as a control substance for gas chromatography of chemical reagents. This document is applicable to the inspection of anhydrous ethanol used as a control substance for gas chromatography of chemical reagents. Main technical contents: 1. Content (C2H5OH), w/% ≥ 99.92 2. Density (20℃), ρ/(g/mL) 0.789~0.791 3. Mixed with water test - Passed 4. Evaporation residue, ω/% ≤ 0.00055 5. Acidity (calculated as H+), b/(mmol/g) ≤ 0.00026 6. Alkalinity (calculated as OH-), b/(mmol/g) ≤ 0.000057 7. Water content (H2O), w/% ≤ 0.28 8. Methanol (CH3OH), w/% ≤ 0.029 9. Isopropanol [(CH3)2CHOH], w/% ≤ 0.003 10. Carbonyl compounds (calculated as CO), w/% ≤ 0.003 11. Carbonizable substances - Passed 12. Iron (Fe), w/% ≤ 0.000011 13. Zinc (Zn), w/% ≤ 0.000011 14. Reducing potassium permanganate substances (calculated as O), w/% ≤ 0.00025