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  • Urea
    货号:PHR1406
    CAS:57-13-6
    包装:1 G
    分子式:NH2CONH2
    纯度规格:Pharmaceutical Secondary Standard; Certified Reference Material
    分子量:60.06
  • Urea
    货号:56180
    CAS:57-13-6
    包装:1 G
    分子式:NH2CONH2
    纯度规格:analytical standard
    分子量:60.06
  • Calcium hydroxide
    货号:1.02047
    CAS:1305-62-0
    包装:500 G, 1 KG, 50 KG
    分子式:Ca(OH)2
    纯度规格:for analysis EMSURE® ACS,Reag. Ph Eur
    分子量:74.09
  • Calcium hydroxide
    货号:1.02111
    CAS:1305-62-0
    包装:25 G
    分子式:Ca(OH)2
    纯度规格:for the preparation of DIN 19266 pH standard buffer solutions
    分子量:74.09
  • Citric acid monohydrate
    货号:1.00244
    CAS:5949-29-1
    包装:500 G, 1 KG, 5 KG, 25 KG
    分子式:HOC(COOH)(CH2COOH)2 · H2O
    纯度规格:for analysis EMSURE® ACS,ISO,Reag. Ph Eur
    分子量:210.14
  • Ninhydrin
    货号:1.06762
    CAS:485-47-2
    包装:10 G, 100 G, 1 KG
    分子式:C9H6O4
    纯度规格:GR for analysis ACS,Reag. Ph Eur
    分子量:178.14
  • L(+)-Ascorbic acid
    货号:1.00468
    CAS:50-81-7
    包装:100 G, 500 G, 1 KG
    分子式:
    纯度规格:for analysis EMSURE® ACS,Reag. Ph Eur
    分子量:176.12
  • Sodium Thiosulfate Pentahydrate
    货号:1.06516
    CAS:10102-17-7
    包装:500 G, 1 KG, 5 KG
    分子式:Na2O3S2 · 5H2O
    纯度规格:for analysis EMSURE® ACS,ISO,Reag. Ph Eur
    分子量:248.18
  • Sodium Thiosulfate Pentahydrate
    货号:1.06509
    CAS:10102-17-7
    包装:100 G
    分子式:Na2O3S2 · 5H2O
    纯度规格:99.999 Suprapur®
    分子量:248.18
  • Thymolphthalein
    货号:1.08175
    CAS:125-20-2
    包装:5 G, 25 G, 100 G
    分子式:C28H30O4
    纯度规格:indicator ACS,Reag. Ph Eur
    分子量:430.54
  • Titriplex<sup>®</sup> III
    货号:1.08418
    CAS:6381-92-6
    包装:100 G, 250 G, 1 KG, 5 KG, 25 KG
    分子式:C10H14N2Na2O8 · 2H2O
    纯度规格:for analysis, ACS reagent, ISO, reag. Ph. Eur.
    分子量:372.24
  • Potassium Hydrogen Phthalate
    货号:1.02400
    CAS:877-24-7
    包装:80 G, 80 G
    分子式:C8H5KO4
    纯度规格:Volumetric standard, secondary reference material for alkalimetry, traceable to NIST Standard Reference Material (SRM) Certipur® Reag. Ph Eur,Reag. USP
    分子量:204.22
  • Potassium Hydrogen Phthalate
    货号:1.04874
    CAS:877-24-7
    包装:250 G, 1 KG
    分子式:C8H5KO4
    纯度规格:for analysis EMSURE® Reag. Ph Eur
    分子量:204.22
  • Potassium Hydrogen Phthalate
    货号:1.01965
    CAS:877-24-7
    包装:25 G
    分子式:C8H5KO4
    纯度规格:certified secondary standard reference material for pH measurement; directly traceable to primary SRM from NIST/PTB pH(S) = 4.005 (25°C) Certipur®
    分子量:204.22
  • Sea Sand
    货号:1.07712
    CAS:14808-60-7
    包装:1 KG, 5 KG, 10 KG,
    分子式:O2Si
    纯度规格:purified by acid and calcined for analysis
    分子量:60.08
  • <sc>L</sc>-Aspartic acid
    货号:PHR1104
    CAS:56-84-8
    包装:1 G
    分子式:HO2CCH2CH(NH2)CO2H
    纯度规格:Pharmaceutical Secondary Standard; Certified Reference Material
    分子量:133.10
  • <sc>L</sc>-Aspartic acid
    货号:51572
    CAS:56-84-8
    包装:100 mg
    分子式:HO2CCH2CH(NH2)CO2H
    纯度规格:certified reference material, TraceCERT®
    分子量:133.10
  • Cerium(IV) sulfate tetrahydrate
    货号:1.02274
    CAS:10294-42-5
    包装:25 G, 100 G, 250 G
    分子式:Ce(SO4)2 · 4 H2O
    纯度规格:for analysis EMSURE®
    分子量:404.30
  • di-Sodium tetraborate decahydrate
    货号:1.06308
    CAS:1303-96-4
    包装:500 G, 1 KG, 50 KG
    分子式:B4Na2O7 · 10H2O
    纯度规格:for analysis ACS,ISO,Reag. Ph Eur
    分子量:381.37
  • di-Sodium tetraborate decahydrate
    货号:1.01964
    CAS:1303-96-4
    包装:25 G
    分子式:B4Na2O7 · 10H2O
    纯度规格:certified secondary standard reference material for pH measurement; directly traceable to primary SRM from NIST/PTB pH(S)=9.180 (25°C) Certipur®
    分子量:381.37
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