碳酸钠
指标名称 工业级 食用级
总碱量（Na2CO3）% ≥ 99.2 99.2
氯化钠（NaCl）% ≤ 0.7 0.7
铁（Fe）% ≤ 0.0035 0.004
硫酸盐（SO4）% ≤ 0.03 0.001
水不溶物% ≤ 0.03 0.000 2
烧失量2） % ≤ 0.8 0.8
堆积密度（g/ml） ≤ 0.9 0.03
粒度，180μm筛余物% ≤ 70
轻质纯碱（kg/袋） 重质纯碱（kg/袋） 备 注
40 50 采用复合塑编袋、柔性集装袋包装
750 1000
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氟化氢 | HF:≥99.95%; H2O:≤0.03%; SO2:≤0.007%; H2SO4:≤0.005%; H2SiF6:≤0.010%. |
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碳酸钠 | 指标名称 工业级 食用级 总碱量（Na2CO3）% ≥ 99.2 99.2 氯化钠（NaCl）% ≤ 0.7 0.7 铁（Fe）% ≤ 0.0035 0.004 硫酸盐（SO4）% ≤ 0.03 0.001 水不溶物% ≤ 0.03 0.000 2 烧... |
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聚醚多元醇 | Model Hydroxyl value Water content Acid value pH value Potassium Chromaticity Viscosity Degree of unsaturation mgKOH/g ％ mgKOH/g mg/Kg APHA mPa.s/... |
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硫酸 | 项 目 指 标 浓硫酸 发烟硫酸 硫酸(H2SO4)％ ≥ 92.5或98.0 - 游离三氧化硫(SO4)％ ≥ - 20.0或25.0 灰分 ％ ≤ 0.02 0.02 铁(Fe)％ ≤ 0.005 0.005 砷(As)％ ≤ 0.0001 0.... |
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氰化钠 | 检测项目 指标 外观 白色块状 氰化钠（NaCN）% ≥ 98.0 氢氧化钠（NaOH）% ≤ 0.5 碳酸钠（Na2CO3)% ≤ 0.5 水分（H2O）% ≤ 1.0 水不溶物 % ≤ 0.05 包装：净重为50kg铁桶或1000kg木箱。 |
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