硫酸钾 [7778-80-5]
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英文名:Potassium sulfate
- CAS号:7778-80-5 分子式:K2O4S 分子量:174.26
P61344-500g 硫酸钾 [7778-80-5] AR 500g 48.00 促销价:33.60
P61342-500g 硫酸钾 [7778-80-5] GR 500g 65.00 促销价:45.50
P61340-100g 硫酸钾 [7778-80-5] PT 100g 116.00 促销价:73.08
P61341-100g 硫酸钾 [7778-80-5] SP 100g 116.00 促销价:73.08
订货编号 | 商品名称 | 规格 | 包装 | 单价 | 促销价 | 会员价 | 数量 |
P61349-500g | 硫酸钾 [7778-80-5] | 4N | 25g | 78.00 | 54.60 | 登录可见 |
P61349-500g 硫酸钾 [7778-80-5] 4N 25g 78.00 促销价:54.60
|
P61344-500g | 硫酸钾 [7778-80-5] | AR | 500g | 48.00 | 33.60 | 登录可见 |
P61344-500g 硫酸钾 [7778-80-5] AR 500g 48.00 促销价:33.60
|
P61342-500g | 硫酸钾 [7778-80-5] | GR | 500g | 65.00 | 45.50 | 登录可见 |
P61342-500g 硫酸钾 [7778-80-5] GR 500g 65.00 促销价:45.50
|
P61340-100g | 硫酸钾 [7778-80-5] | PT | 100g | 116.00 | 73.08 | 登录可见 |
P61340-100g 硫酸钾 [7778-80-5] PT 100g 116.00 促销价:73.08
|
P61341-100g | 硫酸钾 [7778-80-5] | SP | 100g | 116.00 | 73.08 | 登录可见 |
P61341-100g 硫酸钾 [7778-80-5] SP 100g 116.00 促销价:73.08
|
化学性质
质量标准
GB/T 16496-1996
分析纯 化学纯
(AR) (CP)
含量(K2SO4)Assay,% ≥99.0 98.5
pH(50g/L,25℃)pH of water solution 5.0~0.8 5.0~0.8
澄清度试验Clarity 合格 合格
水不溶物lnsoluble matter in water,% ≤0.005 0.01
氯化物(Cl)Chloride,% ≤0.0005 0.001
总氮量((N)Total nitrogen,% ≤0.0005 0.001
钠(Na)Sodium,% ≤0.03 0.1
钙(Ca)Calcium,% ≤0.01 0.02
铁(Fe)lron,% ≤0.0005 0.0005
砷(As)Arsenic,% ≤0.0001 0.0005
重金属(以Pb计)Heavy metals,% ≤0.0005 0.001
ACS级
项目名称 ACS Grade
含量(K2SO4)Assay 99.0%
pH(5%溶液,25.0℃)
pH of a 5% solution at 25.0℃ 5.5-8.5
水不溶物Insoluble matter ≤0.01%
氯化物(Cl)Chloride ≤0.001%
含氮化合物(以N计)Nitrogen compounds ≤5ppm
重金属(以Pb计)Heavy metals(as Pb) ≤5ppm
铁(Fe)Iron ≤5ppm
钙(Ca)Calcium ≤0.01%
镁(Mg)Magnesium ≤0.005%
钠(Na)Sodium ≤0.02%
99.99% metals basis:
外观Appearance White Crystalline Powder
硫酸根SO4 (With Barium Chloride) 53.7 - 56.5 %
纯度Purity ≥99.99% Based on Trace Metals Impurities
ICP Major Analysis CoConfirms K and S Components
总痕量金属杂质total metallic impurities ≤100ppm by ICP Atomic emission
危险性质
安全说明 22-24/25
海关编码 31043000
WGK Germany 1
RTECS号 TT5900000
用途及存储
用途 用作化学肥料,可使经济植物达到持续优质、高产,用于茶叶、蔬菜、水果等农作物
用途 用作分析试剂(如氮的测定),也用于钾盐的合成和制药工业