INDUSTRIAL RAW MATERIALS
Industrial raw materialsINDUSTRIAL RAW MATERIALS
磷酸二氢钾(MKP)
Monopotassium Phosphate
化学式:KH2PO4
Chemical formula:KH2PO4
分子量:136.09
Molecular weight:136.09
英文别名:Potassium phosphate;Potassium dihydrogen phosphate;
CAS号:7778-77-0
执行标准:HGT4511-2013(工业级) GB 25560-2010(食品级)
Standard executed:HGT4511-2013(Tech grade) GB 25560-2010(Food grade)
性状:外观为白色或无色结晶,易溶于水,相对密度2.338,熔点252.6℃。
Property:White or colorless crystals, soluble in water easily. Density is 2.338. Melting point is 252.6℃ and PH Value of 1% solution is 4.5.
技术指标:Technical Specifications:
序号
No.
指标名称
Specifications
工业级
Tech grade
食品级
Food grade
1
主含量(KH2PO4计) % ≥
Main content
99.0
99.0
2
氧化钾(K2O) % ≥
K2O
34.0
34.0
3
五氧化二磷(P2O5) % ≥
Phosphorus pentoxide
552.0
52.0
4
1%水溶液PH值
PH of 1% solution
4.3-4.7
4.2-4.7
5
水份(H2O) % ≤
Moisture
0.5
0.2
6
水不溶物 % ≤
Water insoluble
0.1
0.2
7
氯化物(以CI计) % ≤
Chloride, as CI
0.05
0.05
8
砷(以As计) % ≤
Arsenic, as AS
0.005
0.0003
9
重金属 (以Pb计) % ≤
Heavy metal, as Pb
0.005
0.001
10
铁 (以Fe计) % ≤
Lron Fe
0.003
0.003
11
氟化物(以F计) % ≤
Fluoride, as F
-
0.001
12
铅(以Pb)
Lead (As P) % ≤
-
0.0002
用途:主要用于医药、食品工业及制造偏磷酸盐;在农业上用作高效复合肥,总养分(K2O+P2O5)为86%,是配制N、P、K三元复混肥的优质基础原料。
Uses: Used to manufacture metaphosphate in medical or food industry. Used as a high effective K and P compound fertilizer. It contains totally 86% fetilizer elements, used as a basic raw material for N , P and K compound fertilizer.
包装:内塑外编,每袋净重25 Kg、 50Kg 、1000Kg,贮于通风干燥处。
Packing:Plastic woven bag. Net weight 25 Kg、 50Kg 、1000Kg , store at a cool, dry and well ventilated place.
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