Methanol

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Methanol

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1)  Crude Methanol TU 113   >>>

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No. Indicator description Testing method Norm according to TU 113-05-323-77 The actual value
1 Overall view cl. 4.1 TU 113-05-323-77 Colorless or slightly colored liquid without mechanical impurities Colorless transparent liquid without insoluble impurities
2 Density at 20 °С, g/cm3 GOST 18995.1-73 Section 1 not more than 0,818 0.809
3 Mass fraction of water, % Section 2 GOST 14870-77 not more than 9,0 8.9
4 Mass fraction of the organic part, % cl. 4.4 TU 113-05-323-77 not less than 91.0 91.1
5 pH (medium) cl. 4.5 TU 113-05-323-77 not less than 7.0 8.3

 

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2) Crude Methanol TU 2421   >>>

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No. Indicator description Testing method Norm according to TU 2421-322-05742746-97 The actual value value
1 Overall view cl. 5.1 TU 2421-322-05742746- 97 colorless or slightly colored liquid without mechanical impurities colorless transparent liquid, without mech. impurities
2 Density at 20 °C, kg/cm3 GOST-18995.1-73 not more than 0.825 0.813
3 Mass fraction of water, % Section 2, GOST 14870-77 not more than 12.0 7.3
4 Mass fraction of the organic part, % cl. 5.3 TU 2421-322-05742746- 97 not less than 88.0 92.7
5 pH (medium) Instructions for the pH-meter not less than 5.0 5.3

 

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3) Methanol technical grade A   >>>

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No Name of the indicator Technique Test Standard according to GOST-2222-95 The actual value
1 Overall view cl. 6 GOST 2222-95 Сolorless transparent Liquid without insoluble impurities Сolorless transparent liquid without insoluble impurities
2 Density at 20 °C, g/cm3 GOST-18995.1-73 0.791–0.792 0.791
3 Miscibility with water cl. 6.5 GOST 2222-95 Miscible with water without cloudiness or opalescence Miscible with water without cloudiness or opalescence
4 Temperature limits: boiling point, °С 99 % of the product is distilled within, °C GOST-25742.1-83 64.0–65.5 not more than 0.8 64,2–64,9 0.7
5 Mass fraction of water, % GOST14870-77(section 2,electrometrictitration not more than 0.05 0.010
6 Mass fraction of free acids in equivalent of formic acid, % GOST-25742.2-83 not more than 0.0015 %. 0.0008
7 Mass fraction of aldehydes and ketones in equivalent of acetone, % cl. 6.7 GOST 2222-95 not more than 0.003 0.0020
8 Potassium permanganate test, min GOST-25742.5-83 not less than 60 65
9 Chromaticity according to the platinum cobalt color scheme, Hazen units GOST-29131-91 not more than 5 5