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CHEMICAL REAGENTS AND ELECTRONIC CHEMICALS

1. Magnesium Chloride(6H2O)
Molecular formula: MgCl2·6H2O
Molecular weight:203.3
Properties:White crystal or white crystalline powder, insoluble in water or alcohol, It should be kept in sealed containers because it is deliquescent.

Magnesium Chloride(6H2O) High purity Purity
Item Index Index
Purity(MgCl2·6H2O)% 98.0 97.0
Water insoluble matter% 0.005 0.01
PH value 5.0—6.5 5.0—6.5
Sulfate[SO4]% 0.005 0.01
Phosphate(PO4)% 0.001 0.002
Calcium(Ca)% 0.05 0.1
Heavy metals[as Pb]% 0.0005 0.001
Barium(Ba) & Strontium(Si)% 0.005 0.005
Iron(Fe)% 0.0005 0.001

2. Magnesium Chloride Anhydrous
Molecular formula: MgCl2
Molecular weight: 95.3
Properties: Colorless crystal or crystalline powder ,dissolving in water,not dissolving in ethanol.
Specifications:

Magnesium Chloride Anhydrous Special
Item Index
Purity(MgCl2)% 99.0
Water insoluble matter% 0.1
Iron(Fe)% 0.001
Sulfate[SO4]% 0.001
Calcium(Ca)% 0.001

3. Magnesium Nitrate
Molecular formula: Mg(NO3)2·6H20
Molecular weight:256.43
Properties: Colorless crystal or white crystalline powder ,dissolving in water,not dissolving in ethanol.
Specifications:

Magnesium Nitrate High purity
Item Index
Purity(Mg(NO3)2·6H20)% 99.5
Clarity of solution Qualified
Reaction of aqueous solution Qualified
Water insoluble matter % 0.005
Chloride(Cl)% 0.0005
Sulfate[SO4]% 0.005
Iron(Fe)% 0.0002
Heavy metals[as Pb]% 0.0005
Manganese(Mn)% 0.001
Phosphate(PO4)% 0.001
Arsenic[As]% 0.00005
Barium(Ba)% 0.003
Calcium(Ca)% 0.02

4. Potassium Sulfate
Molecular formula: K2SO4
Molecular weight:174.25
Properties: Colorless crystal or white crystalline powder ,dissolving in water or glycerol,not dissolving in ethanol.
Specifications:

Potassium Sulfate High purity Purity For war industry
Item Index Index Index
Purity(K2SO4)% 99.5 99.5 99.0
Water insoluble matter% 0.005 0.01 0.01
Arsenic[As]% 0.0001 0.0005 0.0002
PH(50g/L,25) 5.0-8.0 5.0-8.0 6-8
Nitrogen(N)% 0.0005 0.001 ---
Calcium(Ca)% 0.01 0.02 0.02
Heavy metals[as Pb]% 0.0002 0.0005 0.001
Iron(Fe)% 0.0002 0.0005 0.0005
Sodium[Na]% 0.03 0.08 0.1
Magnesium[Mg]% -- -- 0.005

5. Potassium Chloride
Molecular formula:KCl
Molecular weight:74.55
Properties: White crystal or white crystalline powder ,eary dissolving in water,hardly dissolving in ethanol or ether.
Specifications:

Potassium Chloride High purity
Item Index
Purity(KCl dry)% 99.5
Loss on drying(105)% Qualified
Heavy metals[as Pb]% 0.0005
Sodium[Na]% 0.036
Calcium(Ca)% 0.003
Magnesium[Mg]% 0.001
Barium(Ba)% 0.001
Iron(Fe)% 0.0003
Organic matter Qualified
Iodide[I]% 0.002
Bromide[Br] % 0.02
PH value 5~8

6.Potassium Nitrate
Molecular formula:KNO3
Molecular weight:101.10
Properties:White crystalline powder ,dissolving in water,slight dissolving in ethanol,it is deliquescent,it is easy to split in heat.

Potassium Nitrate

High purity

Item

Index

Purity[KNO3]%

99.0
Clarity of solution Qualified
Water insoluble matter% 0.004
Chloride[CL]% 0.003
Ammonium(NH4)%

0.001
Nitrate[NO3]% 0.001
Iodate(IO3)% 0.0005
Phosphate (PO4)% 0.0005
Sodium[Na]% 0.02
Magnesium[Mg]% 0.002
Calcium(Ca)% 0.004
Iron(Fe)%

0.0002
Heavy metals[as Pb]% 0.0005

7.Potassium hydrogen sulphate
Molecular formula:KHSO4
Molecular weight:136.16
Properties:White crystal,easy to dissolve in water,easy to

Potassium hydrogen sulphate High purity
Item Index
Purity[KHSO4]% 99.8
Clarity of solution Qualified
Water insoluble matter % 0.002
Nitrogen[N] % 0.002
Sodium[Na]% 0.02
Magnesium[Mg] % 0.0005
aluminum[Al] % 0.001
Calcium[Ca] % 0.002
Iron[Fe] % 0.0005
Arsenic[As] % 0.0003
Heavy metals[as Pb]% 0.0005

8.Sodium Nitrate
Molecular formula:NaNO3
Molecular weight:84.99
Properties:Colorless crystal or white powder,odorless,amaroidal and salt.

Sodium Nitrate High purity
Item Index
Purity[NaNO3 dry] % 99.5
Heavy metals[as Pb]% 0.0005
Nitrogen[N]% 0.0015
Clarity of solution Qualified
Water insoluble matter % 0.004
Loss on drying % 0.5
Iodate(IO3) % 0.0005
Nitrite(NO2) % 0.0005
Sulfate[SO4] % 0.003
Potassium[K] % 0.005
Calcium[Ca] % 0.005
Iron[Fe] % 0.0001
Ammonium[NH4]%% 0.002

9.Sodium Nitrite
Molecular formula:NaNO2
Molecular weight:68.99
Properties:White or slight yellow crystalline powder,dissolving in water,slight dissolving in ethanol or ether,easy to deliquesce.

Sodium Nitrite High purity
Item Index
Purity[NaNO2]% 99.0
Clarity of solution Qualified
Water insoluble matter % 0.002
Chloride[Cl]% 0.005
Sulfate[SO4]% 0.005
Iron[Fe]% 0.0005
Calcium[Ca]% 0.005
Heavy metals[as Pb]% 0.0002

10. Sodium Sulfate Anhydrous(specially for amino-glucose sulfates)
Molecular formula:Na2SO4
Molecular weight:142.04
Properties:White crystal or crystalline powder,deliquescent,dissolving in water,not dissolving in alcohols.

Sodium Sulfate Anhydrous High purity
Item Index
Purity[Na2SO4]% 99.0
Water insoluble matter% 0.005
Heavy metals[as Pb]% 0.0005
Iron[Fe]% 0.0005
Chloride[Cl]% 0.001
Clarity of solution Qualified
Potassium[K]%

0.01

Nitrogen[N] %

0.0005

PH[50g/L 25]

5.0~8.0

Calcium[Ca] % 0.002

11.Sodium Selenite Anhydrous
Molecular formula:Na2SeO3
Molecular weight:172.94
Properties:White crystal or crystalline powder,deliquescent,dissolving in water,not dissolving in alcohols.

Sodium Selenite Anhydrous High purity
Item Index
Purity(Na2SeO3)% 98 .0
Chloride[Cl] % 0.005
Nitrate[NO3]% 0.01
Water insoluble matter% Qualified
Carbonate[CO3] % Qualified
Sulfate[SO4] & Selenate[SeO3] % 0.03
Clarity Qualified

12.Sodium Carbonate Decahydrate
Molecular formula:Na2CO3.10H2O
Molecular weight:286.14
Properties:Colorless crystal or crystalline powder,easy to weathering,dissolving in water,aqueous solution is alkalescence.

Sodium Carbonate Decahydrate High purity Purity
Item Index Index
Purity[Na2CO3.10H2O]% 99 .0 99 .0
Clarity of solution Qualified Qualified
Water insoluble matter % 0.005 0.01
Chloride[CL]% 0.001 0.003
Sulfate[SO4] % 0.003 0.005
Phosphate[PO4]% 0.0005 0.002
Nitrogen[N]% 0.0005 0.001
Silicate[SiO3] % 0.001 0.005
Magnesium[Mg]% 0.0003 0.002
Aluminum[Al]% 0.0005 0.003
Potassium[K]% 0.003 0.01
Calcium[Ca]% 0.003 0.008
Iron[Fe]% 0.0002 0.0003
Heavy metals[as Pb] % 0.0003 0.0005

13.Sodium carbonate anhydrous
Molecular formula:Na2CO3
Molecular weight:105.98
CAS: 497-19-8

Sodium carbonate anhydrous
High purity FIRST LEVEL
High purity SECOND LEVEL
Purity
Purity[Na2CO3] %
99.8
99.8
99.8
Clarity
Qualified
Qualified
Qualified
Water insoluble matter %
0.005
0.01
0.020

Loss on drying[300]%
0.5
1.0
1.0

Chloride[as Cl]%
0.001
0.002
0.005

Sulfate[SO4]%
0.003
0.005
0.010

Nitrogen[N]%
0.001
0.001
0.002

Phosphate[PO4]& Silicate[SiO3]%
0.0025
0.006
0.013
Magnesium[Mg] %
0.0005
0.002
0.005
Aluminum[Al]%
0.001
0.003
0.01
Potassium[K]%
0.005
0.005
0.02
Calcium[Ca] %
0.005
0.01
0.02
Iron[Fe] %
0.0003
0.0005
0.001

Heavy metals[as Pb]%
0.0005
0.0005
0.001

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