PHOSPHATE

PHOSPHATE

Monopotassium Phosphate

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

52.0

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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