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 |
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
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