Precipitated barium sulphate
| Post Date: |
Dec 05,2016 |
| Expiry Date: |
Jun 03,2017 |
| Detailed Description: |
Cas No. :7727-43-7;13462-86-7
Specs:Appearance: it is colorless orthorhombic crystal;
Item | Index | | superior product | top grade product | qualified product | barium sulfate content (in dry basis), ω/% ≥ | 98.5 | 98 | 98 | 105°C volatile matter, ω/% ≤ | 0.1 | 0.2 | 0.2 | water solubles, ω/% ≤ | 0.15 | 0.2 | 0.25 | ferrum (Fe), ω/% ≤ | 0.001 | 0.001 | 0.001 | whiteness ≥ | 97 | 96 | 96 | oil absorption/(g/100g) | 10-20 | 10-20 | 10-30 | PH value (100g/L suspension liquid) | 6.5-7.5 | 6.5-8.5 | 6.5-8.5 | fineness(45μm residue on sieve)/% ≤ | 0.1 | 0.15 | 0.2 | particle size distribution | | | | ＜10μm, % ≥ | 98 | 98 | 97 | ＜5μm, % ≥ | 97 | 97 | 96 | ＜2μm, % ≥ | 90 | 90 | 80 |
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| CAS Registry Number: |
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| Synonyms: |
;C.I. 77120;C.I. Pigment White 21;Barite;Bariumsulfate,precipitated;Bariumsulfate;bariumsulfuricum;barium sulphate PRECIPITATED;Blanc fixe;barium sulfuricum;Baryte;Barytes;Barium sulphate;pricipitated Barium sulphate; |
| Molecular Formula: |
BaSO4 |
| Molecular Weight: |
233.3907 |
| Molecular Structure: |
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| Safety Description: |
S24/25:;
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