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本公司琼脂产品标准(STANDARD CONTROL FOR AGAR)
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项目(Item) |
国家标准 |
公司标准(Company standard) |
|
类别(Classifitation) |
GB/T 1975-80 |
特级琼胶
Superfine agar powder |
琼胶粉
Agar powder |
琼胶条
Agar stripe |
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凝胶强度
(Gel Strength) |
______ |
≥1300g/cm2 |
≥900g/cm2 |
≥700g/cm2
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外观
(Appearance) |
类白色
white/light yellow |
类白色
White |
类白色
White |
类白色
White |
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水分
(Moisture) |
≤22% |
≤10% |
≤12% |
≤19% |
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烧灼残渣
(Ash) |
≤5.0% |
≤2.0% |
≤3.0% |
≤5.0% |
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热水不溶物
(Insoluble substance in hot water) |
≤1% |
≤1% |
≤1% |
≤1% |
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吸水力
(Water absorbability) |
符合要求
Pass muster |
≤75ml |
≤75ml |
≤75ml |
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淀粉测试
(Starch test) |
阴性
(Negative) |
阴性
(Negative) |
阴性
(Negative) |
阴性
(Negative) |
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粒度目数
(Granularity mesh) |
粉末或条状(Powder or strip) |
80-100 |
80-100 |
条状(stripe) |
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重金属
(Heavy metal) |
≤0.004% |
≤0.003% |
≤0.003% |
≤0.003% |
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砷
(Arsenic) |
≤0.0001% |
≤0.0001% |
≤0.0001% |
≤0.0001% |
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说明(Indication) |
我公司产品质量符合GB/T 1975-80及SN/T0786-1999 标准。（The quality of our products meet the GB/T1975-80 and SN/T0786-1999.） |
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