细分目录
全部
玩具中防腐剂检测
多肽合成用分析试剂
变性剂
化妆品中其他禁用组分检测
酚类化合物检测
EPA-其他
芳烃
多肽合成用溶剂
凝胶制备
诊断试剂其他原辅料
气相色谱标准物质
品牌
全部
Amethyst
J&K
AccuStandard
Fluorochem-B
Apollo
SERVA
TCI
TRC
TM-生物基体标准物质
Chem Service
Chiron
Dr. Ehrenstorfer
Thermo Scientific
Tmstandard-有机单标
中国食品药品检定研究院
Aldrich
Supelco
纯度
全部
100 μg/mL in Dichloromethane
100.00%
1000 μg/mL in MeOH
1000μg/mL
10μg/mL
2.0 mg/mL in Dichloromethane
5.0 mg/mL in MeOH
5000 μg/mL in methanol, certified reference material
99.5%
99.5%(GC)
99%
99+%
BioXtra, ≥99.5% (GC)
certified reference material, 500 μg/mL in methanol
contains hypophosphorous as stabilizer, loose crystals, ACS reagent, ≥99.0%
Equilibrated with 10 mM Tris HCl, pH 8.0, 1 mM EDTA, BioReagent, for molecular b
for molecular biology
natural, 97%, FG
neat
puriss., ≥99.5% (GC), meets analytical specification of Ph. Eur., BP, USP, cryst
Saturated with 0.1 M citrate buffer, pH 4.3 ± 0.2, BioReagent, for molecular bio
unstabilized, purified by redistillation, ≥99%
规格
全部
1.5kg
100g
100ml
10g
10kg
10mg
10ml
1ea
1g
1kg
1ml
2.5kg
200mg
20ml
2500g
250g
250ml
25g
25kg
2kg
2ml
400ml
500g
500ml
50g
5g
5kg
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