T/CRIAC 0092-2023 Active Group standards

T/CRIAC 0092-2023 Highly pure reagent acetonitrile

Publish Date: 2023-12-15 Implement Date: 2023-12-31 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 0092-2023

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: -

ICS Name: Chemical reagents

Publish Date: 2023-12-15

Implement Date: 2023-12-31

Scope

Scope: This document specifies the characteristics, technical requirements, test methods, inspection rules, packaging, and marking of high-purity reagent acetonitrile. This document is applicable to the inspection of high-purity reagent acetonitrile. Main technical contents: Content (CH3CN) (GC), w/ % Infrared identification of water (H2O), w/ % Color/Black's unit Evaporation residue, w/ (mg/kg) Density (20℃), ρ/(g/mL) Acidity (calculated as H+), b (mmol/g) Alkalinity (calculated as OH+), b (mmol/g) Absorbance A1 (193nm), A2 (195nm), A3 (200nm), A4 (230nm), A5 (240nm) Gradient elution, mAU A1 (210nm), A2 (254nm) Fluorescent impurities (calculated as quinine), ρ/(μg/L) A1 (254nm), A2 (365nm) Trace organic residues GC-FID Single impurities (calculated as 2-octanol), ρ/(μg/L) Trace organic residues GC-ECD Single impurities (calculated as Epoxiconazole B), ρ/(ng/L) Sodium (Na), w/ % Potassium (K), w/ % Magnesium (Mg), w/ % Calcium (Ca), w/ % Iron (Fe), w/ % Aluminum (Al), w/ %