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Magnesium sulfate

MDL:
--MFCD00149785
Molecular Formula:
MgSO4?7H2O
Molecular Weight:
246.47
Alias:
苦鹽,硫苦,瀉利鹽,硫酸鎂七水 Epsom salt Bitter salt
Product order:
Name Specifications Packing Price Delivery
Magnesium sulfate ≥99% 100g RMB 660 現(xiàn)貨
Magnesium sulfate USP, EP, BP 500g RMB 404.8 Consulting service
Magnesium sulfate ACS 500g RMB 30.8 Consulting service
Magnesium sulfate 4N 25g RMB 94.6 Consulting service
Magnesium sulfate SP 25g RMB 94.6 Consulting service
Magnesium sulfate AR 500g RMB 27.5 Consulting service
Character:
無(wú)色結(jié)晶或白色粉未,溶于水,能溶于丙三醇,微溶于乙醇
Quality Standard:

   GB/T671-77
項(xiàng)目Item                               優(yōu)等純    分析純    化學(xué)純
                     (GR)          (AR)        (CP)
含量(MgSO4?7H2O)Assay,%              ≥99.5          99.0         99.0
水溶液反應(yīng)Water solution reaction       合格     合格     合格
澄清度試驗(yàn)Clarity            合格     合格     合格
水不溶物Insoluble matter,%           ≤0.002         0.005        0.01
氯化物(Cl)Chloride,%                 ≤0.0002        0.0005       0.001
鈉(Na)Sodium,%                       ≤0.005         0.005        0.05
鈣(Ca)Calcium,%                      ≤0.01          0.02         0.05
錳(Mn)Manganese,%                    ≤0.0005        0.001        0.005
鐵(Fe)Iron,%                         ≤0.0002        0.0005       0.001
鋅(Zn)Zinc,%                         ≤0.0005        0.001        0.002
砷(As)Arsenic,%                      ≤0.0005        0.0001       0.0002
重金屬(以Pb計(jì))Heavy metals,%         ≤0.0002        0.0005       0.001

ACS級(jí)
項(xiàng)目名稱Item                         ACS Grade
含量[MgSO4?7H2O]Assay                98.0-102.0%
pH(5%溶液,25.0℃)pH                  5.0-8.2
水不溶物Insoluble matter             ≤0.005%
氯化物(Cl)Chloride(Cl)               ≤5ppm
硝酸鹽(NO3)Nitrate                   ≤0.002%
銨(NH4)Ammonium                      ≤0.002%
鈣(Ca)Calcium(Ca)                    ≤0.02%
錳(Mn)Manganese(Mn)                  ≤5ppm
鉀(K)Potassium(K)                    ≤0.005%
鈉(Na)Sodium(Na)                     ≤0.005%
鍶(Sr)Strontium(Sr)                  ≤0.005%
重金屬(以Pb計(jì))Heavy metals(as Pb)    ≤5ppm
鐵(Fe)Iron(Fe)                       ≤5ppm

USP, EP, BP 級(jí)
ASSAY (MgSO4; ANHYDROUS BASIS) 99.0 - 100.5% 
pH OF A 5% SOLUTION @ 25oC 5.0 - 9.2 
LOSS ON IGNITION @ 105 C 48.0 - 52.0% 
CHLORIDE (Cl) -- 0.014 % 
IRON (Fe) -- 20 ?G/G 
HEAVY METALS -- 0.001 % 
SELENIUM (Se) -- 0.003 % 
ACIDITY OR ALKALINITY -- TO PASS TEST 
ARSENIC (As) -- 2 PPM 

Storage:

用途  用作瀉藥,利膽藥,用于導(dǎo)瀉及十二脂腸導(dǎo)流
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