（纯碱）碳酸钠 Sodium carbonate products
化学分子式Chemical molecular formula：Na2CO3
性状：白色无气味粉末或颗粒，易溶于水，水溶液成强碱性，暴露在空气中易吸收二氧化碳和水分。
Description:white,odorless powder or granule,easily soluble in water,strongly alkaline in aqueous solution,easy to absorb CO2 and moisture if exposed in the air.
用途：主要用于化工、玻璃、冶金、造纸、纺织、印染、合成洗涤剂、日用化工、石油化工等行业。
Applications:mainly used in chemical industry,glass-manufactuning,metallurgy,paper-manufacturing,textile,dyeing, synthetic detergent,daily use chemical-industry petrochemical and other industries.
质量标准：工业纯碱执行中华人民共和国《工业碳酸钠GB210.1-2004》标准，食品添加剂执行中华人民共和国《食品添加剂碳酸钠GB1886-2008》标准，产品质量均达到国际先进水平。
Quanlity standard:GB210.1-2004-The industrial sodium carbonate and experiment method of P.R.B GB1886-2008-The Food Additive Sodium Carbonate of P.R.B.The product quality all conforms to the national standard and reaches the international adcanced level.
包装规格：25kg、1000kg、散装或客户定制
Packing specification: 25kg,1000kg,in bulk
碳酸钠产品技术指标Technical indicators of sodium carbonate products
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指标名称 The index name |
产品名称（优等品） Product name(top grade) |
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轻质纯碱 Light soda ash |
食品碱 Food base soda ash |
重质纯碱 Heavy soda ash |
低盐重质纯碱 Low salt heavy soda ash |
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总碱量%（以NaHCO3计） Total alkalinity%(in NaHCO3) |
≥99.2 |
≥99.2 |
≥99.2 |
≥99.4 |
|
氯化物% Chloride % |
≤0.70 |
≤0.7 |
≤0.70 |
≤0.3 |
|
铁% Iron % |
≤0.0035 |
≤0.0035 |
≤0.0035 |
≤0.003 |
|
水不溶物% Water insolubles % |
≤0.03 |
≤0.03 |
≤0.03 |
≤0.02 |
|
硫酸盐% Sulfate % |
≤0.03 |
— |
≤0.03 |
≤0.03 |
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重金属 mg/kg Heavy metal mg/kg |
— |
≤10.0 |
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|
|
砷 mg/kg Arsenic mg/kg |
— |
≤2.0 |
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|
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堆积密度 g/ml Bulk density g/ml |
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|
≥0.90 |
≥0.85 |
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粒度% Granularity % |
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|
≥70.0 |
— |
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粒度% 180um Granularity % 180（including m） |
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|
— |
≥75 |
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粒度% 1.18mm Granularity % 1.18mm |
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|
— |
≤2.00 |
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