Name | Specifications | Packing | Price | Delivery |
Benzoic acid | AR | 1Kg | RMB 94.6 | Consulting service |
Benzoic acid | 分析标准品 | 250Mg | RMB 522.5 | Consulting service |
Benzoic acid | ACS | 250g | RMB 93.5 | Consulting service |
Benzoic acid | PT | 50g | RMB 148.5 | Consulting service |
Benzoic acid | GR | 250g | RMB 83.6 | Consulting service |
Benzoic acid | CP | 250g | RMB 38.5 | Consulting service |
Benzoic acid | AR | 250g | RMB 55 | Consulting service |
Benzoic acid | GCS | 5ML | RMB 38.5 | Consulting service |
Benzoic acid | USP, EP, BP, JP级 | 500g | RMB 489.5 | Consulting service |
GB/T 12597-90
项目Item 基准试剂
(PT)
含量(C6H5COOH)Assay,% 99.95-100.05
熔点范围Melting range,℃ 121.5-123.5
澄清度试验Clarity合格
灼烧残渣(以硫酸盐计)Ignition residue,% ≤ 0.01
氯化合物(Cl)Chlorine compounds,% ≤ 0.003
硫化合物(以SO4计)Sulfur compounds ≤ 0.003
铁(Fe)Iron,% ≤ 0.0004
重金属(以Pb计)Heavy metals,% ≤ 0.0005
还原高锰酸钾物质(以O计)Potassium
permanganate-redncing substances ≤ 0.008
易炭化物质Readily carboxizable substances 合格
ACS级
项目名称Item ACS Grade
含量Assay ≥99.5%
结晶点Freezing point 122-123℃
灼烧残渣Residue after ignition ≤0.005%
甲醇不溶物Insoluble in mechanol ≤0.005%
氯化合物(Cl)Chloride compounds(as Cl) ≤0.005%
硫化物(以S计)Sulfide(S) ≤0.002%
重金属(以Pb计)Heavy metals(as Pb) ≤5ppm
还原高锰酸盐Substances reducing permanganate Passes test
USP, EP, BP, JP级别
ASSAY (ANHYDROUS BASIS) 99.5 - 100.5%
CONGEALING RANGE 121° - 123°C
WATER -- 0.7%
READILY CARBONIZABLE SUBSTANCES TO PASS TEST
RESIDUE ON IGNITION (SULPHATED ASH) -- 0.05%
HEAVY METALS -- 10 UG/G
READILY OXIDIZABLE SUBSTANCES TO PASS TEST
HALOGENATED COMPOUND & HALIDES(as Cl) TO PASS TEST
PHTHALIC ACID TO PASS TEST
LOSS ON DRYING -- 0.5%
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