柠檬酸一水合物, EMSURE® Reag. Ph. Eur., ACS, ISO analysis_for, Supelco®
供应商: Merck
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Warning
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Synonyms:
一水柠檬酸
MQ300
1.00244.0500
1.00244.1000
MERC1.00244.0500EA
0
CNY
MERC1.00244.0500
MERC1.00244.1000
柠檬酸一水合物, EMSURE® Reag. Ph. Eur., ACS, ISO analysis_for, Supelco®
柠檬酸一水合物
Certifications: Corresponds to ACS, ISO 6353/2, Reag. Ph. Eur.
分子式:
C₆H₈O₇.H₂O 分子量: 210.14 g/mol 溶点: 135…152 °C 密度: 1.552 g/cm³ (20 °C) 闪点: 173.9 °C (closed cup) 存储条件: Ambient |
MDL编号:
MFCD00149972 CAS号: 5949-29-1 EINECS: 201-069-1 Merck Index: 13,02350 |
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产品技术规格
Assay (acidimetric, calc. on anhydrous substance) | 99.5 - 100.5 % |
Identity (IR-spectrum) | passes test |
Appearance | white to almost white or colorless crystals |
Appearance of solution (200 g/l; water) | clear (≤ 3 NTU) and not more intense in color than reference solution Y₇, BY₇ or GY₇ |
In water insoluble matter | ≤ 50 ppm |
Chloride (Cl) | ≤ 5 ppm |
Phosphate (PO₄) | ≤ 10 ppm |
Sulphate (SO₄) | ≤ 20 ppm |
Heavy metals (as Pb) | ≤ 5 ppm |
Al (Aluminium) | ≤ 0.2 ppm |
As (Arsenic) | ≤ 1 ppm |
Hg (Mercury) | ≤ 1 ppm |
Cu (Copper) | ≤ 5 ppm |
Fe (Iron) | ≤ 3 ppm |
Fe (Iron, acc. to Reag. Ph Eur.) | suitable to use in the limit test for iron |
Pb (Lead) | ≤ 0.5 ppm |
Oxalates (as C₂H₂O₄) | ≤ 50 ppm |
Readily carbonisable substance | passes test |
Sulfated ash | ≤ 200 ppm |
Water (according to Karl Fischer) | 7.5 - 8.8 % |
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